Objective Questions

Questions (1250)

#	Question	Topic	Actions
601	If the density of air is 1.3 kg/m³, the mass of air in a room measuring 8 m × 5…	PHY 101 Past Questions	View
602	What is the gravitational potential energy of a 1360 kg automobile parked at a …	PHY 101 Past Questions	View
603	Vectors A and B are said to be parallel if	PHY 101 Past Questions	View
604	An extensive property of a system:	PHY 101 Past Questions	View
605	A non-viscous fluid means:	PHY 101 Past Questions	View
606	Vertical deflection depends on:	PHY 101 Past Questions	View
607	Constant speed motion implies:	PHY 101 Past Questions	View
608	A car travels 8 m in 4 s at constant velocity. What is velocity?	PHY 101 Past Questions	View
609	A meter rule balances when total clockwise torque:	PHY 101 Past Questions	View
610	Plasticity is the ability of a material to:	PHY 101 Past Questions	View
611	Which of the following unit is equivalent to kg·m⁻¹·s⁻²?	PHY 101 Past Questions	View
612	An automobile tire is filled to a gauge pressure of 225 kPa at 25°C. After driv…	PHY 101 Past Questions	View
613	A grindstone rotates with constant angular acceleration α = 0.35 rad/s². At tim…	PHY 101 Past Questions	View
614	An object is released from rest and falls freely in the absence of air resistan…	PHY 101 Past Questions	View
615	Which of the following pairs of physical quantities do NOT have identical dimen…	PHY 101 Past Questions	View
616	Heat transfer from one body to another occurs because of difference in:	PHY 101 Past Questions	View
617	The First Law of Thermodynamics in mathematical form is:	PHY 101 Past Questions	View
618	Suspension cables include an unsupported span of 3020 m. The cable diameter …	PHY 101 Past Questions	View
619	A bicyclist moves at constant speed 4 m/s. How long will it take to travel 36 m?	PHY 101 Past Questions	View
620	A plot of energy stored in an elastic body versus the square of extension gives…	PHY 101 Past Questions	View
621	A cup is filled to the brim with water and contains a floating ice cube. When t…	PHY 101 Past Questions	View
622	A force of 180 N is applied tangentially to the rim of a solid aluminium disk o…	PHY 101 Past Questions	View
623	If vectors A = 2i + 3j − k and B = 4i − 2j + 3k, find their dot product A · B.	PHY 101 Past Questions	View
624	A projectile is fired with speed 200 m/s at an angle of 30° above the horizonta…	PHY 101 Past Questions	View
625	A 2.8 g bullet travelling at 540 m/s enters a wall and exits at 120 m/s. How mu…	PHY 101 Past Questions	View
626	An electron with speed 1.2 × 10^7 m/s moves horizontally into a region where a …	PHY 101 Past Questions	View
627	Which of the following physical quantities is a vector?	PHY 101 Past Questions	View
628	A modern car can develop an acceleration four times greater than an antique car…	PHY 101 Past Questions	View
629	Which of the following represents Kepler’s third law?	PHY 101 Past Questions	View
630	An electric fan slows uniformly from 500 rev/min to 200 rev/min in 4.0 s. Find …	PHY 101 Past Questions	View
631	Heat transfer that involves the mass movement of molecules occurs by:	PHY 101 Past Questions	View
632	A bicyclist moves at a constant speed of 4 m/s. How long will it take to travel…	PHY 101 Past Questions	View
633	A graph of energy stored in an elastic body versus the square of extension give…	PHY 101 Past Questions	View
634	A 50 L steel gas tank is filled to the top with gasoline at 20°C. The temperatu…	PHY 101 Past Questions	View
635	A gas at 46 K is heated at constant pressure until its volume is doubled. What …	PHY 101 Past Questions	View
636	A body is said to be in equilibrium when:	PHY 101 Past Questions	View
637	The steel bed of a suspension bridge is 300 m long at 20°C. If the temperature …	PHY 101 Past Questions	View
638	A car and a delivery truck both start from rest and accelerate at the same rate…	PHY 101 Past Questions	View
639	The mean diameters of Mars and Earth are 6.9 × 10^3 km and 1.3 × 10^4 km respec…	PHY 101 Past Questions	View
640	Which of the following is an intensive property of a thermodynamic system?	PHY 101 Past Questions	View
641	A worker applies a constant horizontal force of 20 N to a 40 kg box on a level …	PHY 101 Past Questions	View
642	An automobile tire is filled to a gauge pressure of 225 kPa at 25°C. After driv…	PHY 101 Past Questions	View
643	A plot of the energy stored in an elastic body versus the square of the extensi…	PHY 101 Past Questions	View
644	The upward force exerted by a surface that supports an object resting on it is …	PHY 101 Past Questions	View
645	Which of the following is an extensive property of a thermodynamic system?	PHY 101 Past Questions	View
646	A train moves at a constant velocity of 50 km/h. How far will it travel in 0.5 …	PHY 101 Past Questions	View
647	A piece of wood of density 706 kg/m³ is tied to the bottom of a water-filled fl…	PHY 101 Past Questions	View
648	Two vectors A = 3.0i - 4.5j and B = -2.5i + 5.0j. Find the magnitude of their v…	PHY 101 Past Questions	View
649	What magnitude of net force is required to give a 135 kg refrigerator an accele…	PHY 101 Past Questions	View
650	Resultant of vectors A = 1.5i - 2.0j and C = 2.2i + 3.4j is C. Find vector B (m…	PHY 101 Past Questions	View
651	Two forces act on a 2 kg block: 100 N at 170° and 100 N at 50°. Find the result…	PHY 101 Past Questions	View
652	A car and a delivery truck start from rest with same acceleration. The car acce…	PHY 101 Past Questions	View
653	The shear modulus of an elastic body under shear deformation plotted against th…	PHY 101 Past Questions	View
654	An object is released from rest and falls in the absence of air resistance. Whi…	PHY 101 Past Questions	View
655	Two liquids X and Y have densities 0.85 g/mL and 1.08 g/mL respectively. Which …	PHY 101 Past Questions	View
656	A wheel of radius 0.6 m has moment of inertia 5 kg·m². A constant force of 60 N…	PHY 101 Past Questions	View
657	Three kids launch a rocket along a 380 m long arc in 40 s. Determine its averag…	PHY 101 Past Questions	View
658	The characteristics of an ideal fluid include:	PHY 101 Past Questions	View
659	Ductility is defined as the ability of a material to:	PHY 101 Past Questions	View
660	The pulmonary artery problem gives the average blood speed as:	PHY 101 Past Questions	View
661	In a velocity–time graph, the area under the graph represents:	PHY 101 Past Questions	View
662	If the resultant force on an object is zero, the object:	PHY 101 Past Questions	View
663	An ideal fluid has viscosity equal to:	PHY 101 Past Questions	View
664	The unit of acceleration can be obtained from:	PHY 101 Past Questions	View
665	When two equal forces act symmetrically about a line, the resultant lies:	PHY 101 Past Questions	View
666	A uniform meter rule weighs 1 kg and is pivoted at the 60 cm mark. A 40 g weigh…	PHY 101 Past Questions	View
667	Which of the following statement is incorrect?	PHY 101 Past Questions	View
668	How much heat is required to raise the temperature of a 20 kg iron vat containi…	PHY 101 Past Questions	View
669	A 50 L steel tank filled with gasoline at 20°C reaches 37°C. How much does it o…	PHY 101 Past Questions	View
670	Calculate the change in length of a 40 cm bone supporting 62 kg. Young's modulu…	PHY 101 Past Questions	View
671	An electric fan slows from 500 rev/min to 200 rev/min in 4 s. Find angular acce…	PHY 101 Past Questions	View
672	A rocket travels 380 m in 40 s along an arc. What is its average speed?	PHY 101 Past Questions	View
673	If you dip your finger into water on a scale without touching the flask, the sc…	PHY 101 Past Questions	View
674	Which statement is false?	PHY 101 Past Questions	View
675	A 2.8 g bullet slows from 540 m/s to 120 m/s after passing through a wall. Ener…	PHY 101 Past Questions	View
676	What is the frictional force if a 200 N force pulls a 50 kg block producing an …	PHY 101 Past Questions	View
677	Find the angle between vectors A = 2i + 3j + 4k and B = i − 2j + 3k.	PHY 101 Past Questions	View
678	A 15 g stopper moves in a conical circle of radius 0.80 m at speed 8.9 m/s. Tim…	PHY 101 Past Questions	View
679	The mean diameters of Mars and Earth are given. The gravitational acceleration …	PHY 101 Past Questions	View
680	Extensive property of a system:	PHY 101 Past Questions	View
681	The shear modulus slope unit corresponds to:	PHY 101 Past Questions	View
682	A piece of wood (density 706 kg/m³) fully immersed in water has volume 8.00×10⁻…	PHY 101 Past Questions	View
683	A system where neither mass nor energy crosses the boundary is called:	PHY 101 Past Questions	View
684	An object moves at a constant speed of 6 m/s. This means the object:	PHY 101 Past Questions	View
685	How much heat input is needed to raise the temperature of a 20 kg iron vat fill…	PHY 101 Past Questions	View
686	An electron moving horizontally enters a region with constant vertical force. W…	PHY 101 Past Questions	View
687	Water flows up a 20 cm step in a hose. If pressure at bottom is 143 kPa, what i…	PHY 101 Past Questions	View
688	Three particles of masses 6 kg, 4 kg and 4 kg separated by 2 cm. Net gravitatio…	PHY 101 Past Questions	View
689	A uniform meter rule of mass 75 g is suspended at 75 cm mark and balanced by a …	PHY 101 Past Questions	View
690	A uniform meter rule is supported at its centre. A 4 N force acts 20 cm from en…	PHY 101 Past Questions	View
691	A grindstone starts with angular velocity 4.6 rad/s and angular acceleration 0.…	PHY 101 Past Questions	View
692	Two gliders collide elastically: 0.15 kg at 0.80 m/s and 0.30 kg at 2.20 m/s op…	PHY 101 Past Questions	View
693	Fractional decrease in volume for water at depth where pressure is 5×10⁶ N/m² (…	PHY 101 Past Questions	View
694	A car travels 4 km east then 7 km west. What is displacement from start?	PHY 101 Past Questions	View
695	Bernoulli’s equation is valid except when:	PHY 101 Past Questions	View
696	A rocket travels 380 m in 40 s along its path. Average speed is:	PHY 101 Past Questions	View
697	An object moves with constant acceleration 5 m/s². Which statement is correct?	PHY 101 Past Questions	View
698	A car and a truck start from rest and accelerate at the same rate, but the car …	PHY 101 Past Questions	View
699	Which of the following is not a vector quantity?	PHY 101 Past Questions	View
700	3200 J of heat is added to a system and 1500 J of work is done on it. What is t…	PHY 101 Past Questions	View

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