Objective Questions

Questions (947)

#	Question	Topic	Actions
301	Calculate the velocity of the electron emitted from the cathode to the anode of…	PHY 104 Past Questions	View
302	The half-life of a radionuclide	PHY 104 Past Questions	View
303	Which of the following phenomenon is used by the musicians to tune their musica…	PHY 104 Past Questions	View
304	The Q-factor of an underdamped SHO of frequency 600 Hz is 9000. What number of …	PHY 104 Past Questions	View
305	The periodic time of a S.H.O. oscillating about a fixed point is 2 s. After wha…	PHY 104 Past Questions	View
306	The horn of a stationary car has a frequency of 400 Hz. What frequency is obser…	PHY 104 Past Questions	View
307	Where is the image formed by a concave mirror with radius 20 cm if the object i…	PHY 104 Past Questions	View
308	Two waves with the same frequency, wavelength, and amplitude are traveling in t…	PHY 104 Past Questions	View
309	Which of the following is/are correct about a standing wave? I. It results from…	PHY 104 Past Questions	View
310	A sample of radioactive substance has a half-life of 20 hours. What fraction of…	PHY 104 Past Questions	View
311	The phenomenon of beats can take place	PHY 104 Past Questions	View
312	A particle of mass 0.2 kg undergoes SHM according to the equation: x(t) = 3 sin…	PHY 104 Past Questions	View
313	Colour formation in thin films is due to	PHY 104 Past Questions	View
314	Determine the binding energy per nucleon in the nucleus of ³⁵₁₇Cl, if it is rep…	PHY 104 Past Questions	View
315	Which of the following statement is not correct about photoelectric emission?	PHY 104 Past Questions	View
316	The angular velocity for a S.H.M. given by the equation x = 3 sin 3πt + 4 cos 3…	PHY 104 Past Questions	View
317	Longitudinal waves travel on a metal bar at 3450 m/s. Find the two lowest stand…	PHY 104 Past Questions	View
318	From a point source, if amplitude of waves at a distance r is A, its amplitude …	PHY 104 Past Questions	View
319	Sound waves travel fastest in	PHY 104 Past Questions	View
320	When a light wave enters into a medium of different optical density,	PHY 104 Past Questions	View
321	What is the missing product from this reaction? ³²₁₅P → ³²₁₆S + ______	PHY 104 Past Questions	View
322	Which characteristic of electromagnetic radiation is directly proportional to t…	PHY 104 Past Questions	View
323	The equation of motion of a particle is given as d²y/dt² + Ky = 0, where K is a…	PHY 104 Past Questions	View
324	Naturally occurring rubidium consists of just two isotopes. One of the isotopes…	PHY 104 Past Questions	View
325	A slit of width 'a' is illuminated by red light of wavelength 650 nm. For what …	PHY 104 Past Questions	View
326	Which of the following is not true of standing waves and progressive waves? (i)…	PHY 104 Past Questions	View
327	Loudness of a sound wave is described as a factor of its:	Pitch, loudness, quality, timber	View
328	The diagram shows a ray of monochromatic light passing through a semi-circular …	PHY 104 Past Questions	View
329	The graph below represents the relationship between energy and equivalent mass …	PHY 104 Past Questions	View
330	A concave mirror of radius curvature 20 cm has an object placed 20 cm from it. …	PHY 104 Past Questions	View
331	Which phenomenon best supports the theory that matter has a wave nature?	PHY 104 Past Questions	View
332	The displacement x in meters at t = 0 (x₀) for a S.H.M. given by the…	PHY 104 Past Questions	View
333	The diagram shows a ray of monochromatic light passing through a semi-circular …	PHY 104 Past Questions	View
334	The graph below represents the relationship between energy and equivalent mass …	PHY 104 Past Questions	View
335	Light of wavelength 580 nm is incident on a slit of width 0.300 mm. An observin…	PHY 104 Past Questions	View
336	An atom changing from an energy state of -0.54 eV to an energy state of -0.85 e…	PHY 104 Past Questions	View
337	The angular velocities of three bodies in simple harmonic motion are ω₁	PHY 104 Past Questions	View
338	What principle is responsible for alternating light and dark bands when light p…	PHY 104 Past Questions	View
339	What is the name given to the effect that allows the wavefronts to reach point …	PHY 104 Past Questions	View
340	Which determines the number of electrons emitted by a photoelectric material?	PHY 104 Past Questions	View
341	Two points on a travelling wave having frequency 500 Hz and velocity 300 m/s ar…	PHY 104 Past Questions	View
342	The graph below represents the relationship between energy and equivalent mass …	PHY 104 Past Questions	View
343	According to the text, a thin lens is defined by which characteristic?	Refraction Through Lenses and Optical Instruments	View
344	Which of the following is a type of converging lens as illustrated in the docum…	Refraction Through Lenses and Optical Instruments	View
345	The power of a lens is measured in which units?	Refraction Through Lenses and Optical Instruments	View
346	One of the three key rays for ray tracing thin lenses states that a ray coming …	Refraction Through Lenses and Optical Instruments	View
347	What happens to the image of an object if the top half of a lens is covered by …	Refraction Through Lenses and Optical Instruments	View
348	In the thin lens equation sign conventions, the focal length (f) is considered …	Refraction Through Lenses and Optical Instruments	View
349	When combining multiple lenses, the total magnification is found by:	Refraction Through Lenses and Optical Instruments	View
350	For thin lenses held in contact, how is the power of the combined lens determin…	Refraction Through Lenses and Optical Instruments	View
351	According to the Lensmaker's Equation, if a lens is turned around so that light…	Refraction Through Lenses and Optical Instruments	View
352	Which of the following is NOT listed as a basic part of a camera in the documen…	Refraction Through Lenses and Optical Instruments	View
353	In a digital camera, what technology is typically used instead of film to captu…	Refraction Through Lenses and Optical Instruments	View
354	What is the primary function of the f-stop in a camera?	Refraction Through Lenses and Optical Instruments	View
355	Most of the refraction in the human eye occurs at which part?	Refraction Through Lenses and Optical Instruments	View
356	What is the characteristic symptom of nearsightedness (myopia)?	Refraction Through Lenses and Optical Instruments	View
357	Which type of lens is needed to correct farsightedness (hypermetropia)?	Refraction Through Lenses and Optical Instruments	View
358	Which of the following descriptions accurately characterizes a diverging lens?	Refraction Through Lenses and Optical Instruments	View
359	How is the power of a lens defined and measured?	Refraction Through Lenses and Optical Instruments	View
360	Which of the following is NOT one of the three key rays used for ray tracing in…	Refraction Through Lenses and Optical Instruments	View
361	According to the thin lens equation sign conventions, under what condition is t…	Refraction Through Lenses and Optical Instruments	View
362	What does a negative value for the power (P) of a lens signify?	Refraction Through Lenses and Optical Instruments	View
363	When light passes through more than one lens in a combination, how is the total…	Refraction Through Lenses and Optical Instruments	View
364	For two thin lenses that are held in contact, how is the power of the combined …	Refraction Through Lenses and Optical Instruments	View
365	In the Lensmaker's Equation, what do the terms R₁ and R₂ primarily represent?	Refraction Through Lenses and Optical Instruments	View
366	According to the sign conventions for the Lensmaker's Equation, when is the rad…	Refraction Through Lenses and Optical Instruments	View
367	Which component of a camera is responsible for controlling the maximum opening …	Refraction Through Lenses and Optical Instruments	View
368	What is the primary advantage of using a faster shutter speed in photography?	Refraction Through Lenses and Optical Instruments	View
369	The range of distances over which objects appear acceptably sharp in a photogra…	Refraction Through Lenses and Optical Instruments	View
370	Which of the following conditions is characteristic of nearsightedness (myopia)?	Refraction Through Lenses and Optical Instruments	View
371	What type of corrective lens is required for a person suffering from farsighted…	Refraction Through Lenses and Optical Instruments	View
372	For a magnifying glass when the eye is relaxed, which formula correctly represe…	Refraction Through Lenses and Optical Instruments	View
373	According to the Lensmaker's Equation sign conventions mentioned in the documen…	Refraction Through Lenses and Optical Instruments	View
374	A converging glass lens has a focal length of 14 cm in air. If it is immersed i…	Refraction Through Lenses and Optical Instruments	View
375	In a camera, what is the primary function of the f-stop?	Refraction Through Lenses and Optical Instruments	View
376	What is used in a digital camera instead of film to capture an image?	Refraction Through Lenses and Optical Instruments	View
377	To improve the depth of field, a camera lens is 'stopped down' by two f-stops f…	Refraction Through Lenses and Optical Instruments	View
378	What does 'depth of field' refer to in the context of camera lenses?	Refraction Through Lenses and Optical Instruments	View
379	In the human eye, where does most of the refraction of light occur?	Refraction Through Lenses and Optical Instruments	View
380	What is the process called when the muscles in the eye contract to thicken the …	Refraction Through Lenses and Optical Instruments	View
381	A person suffering from nearsightedness (myopia) has a far point nearer than in…	Refraction Through Lenses and Optical Instruments	View
382	A person suffering from farsightedness (hypermetropia) has a near point further…	Refraction Through Lenses and Optical Instruments	View
383	Why is vision blurry under water, and how can it be avoided?	Refraction Through Lenses and Optical Instruments	View
384	For a magnifying glass when the eye is relaxed (focused at infinity), what is t…	Refraction Through Lenses and Optical Instruments	View
385	Which type of telescope primarily uses mirrors for its objective to gather as m…	Refraction Through Lenses and Optical Instruments	View
386	What is spherical aberration in lenses?	Refraction Through Lenses and Optical Instruments	View
387	What causes chromatic aberration in lenses, and what is a common solutio…	Refraction Through Lenses and Optical Instruments	View
388	According to the sign conventions for thin lenses, when is the image distance (…	Refraction Through Lenses and Optical Instruments	View
389	When is the object distance (dₒ) for a thin lens considered positive, according…	Refraction Through Lenses and Optical Instruments	View
390	What is the recommended first step when solving problems involving thin …	Refraction Through Lenses and Optical Instruments	View
391	When light passes through a combination of two lenses, how is the final image d…	Refraction Through Lenses and Optical Instruments	View
392	How is the total magnification of a two-lens system calculated?	Refraction Through Lenses and Optical Instruments	View
393	What does the Lensmaker's Equation primarily relate for a thin lens?	Refraction Through Lenses and Optical Instruments	View
394	In the Lensmaker's Equation, how is the radius of curvature for a concave surfa…	Refraction Through Lenses and Optical Instruments	View
395	If a converging glass lens, initially in air, is immersed in water (which has a…	Refraction Through Lenses and Optical Instruments	View
396	In photography, what is 'depth of field'?	Refraction Through Lenses and Optical Instruments	View
397	To improve depth of field, a photographer 'stops down' their camera lens from f…	Refraction Through Lenses and Optical Instruments	View
398	What is spherical aberration in lenses?	Refraction Through Lenses and Optical Instruments	View
399	What is the cause of chromatic aberration in lenses?	Refraction Through Lenses and Optical Instruments	View
400	What is a common solution to correct chromatic aberration in optical instrument…	Refraction Through Lenses and Optical Instruments	View

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