BITSAT SERIES Physics
Work
14 previous year questions.
Volume: 14 Ques
Yield: Medium
High-Yield Trend
1
2026 2
2023 1
2021 2
2019 1
2015 2
2014 1
2013 1
2012 3
2010 Chapter Questions 14 MCQs
01
PYQ 2010
easy
physics ID: bitsat-2
A spring is compressed between two toy carts of mass and . When the toy carts are released, the springs exert equal and opposite average forces for the same time on each toy cart. If and are the velocities of the toy carts and there is no friction between the toy carts and the ground, then :
1
2
3
4
02
PYQ 2010
medium
physics ID: bitsat-2
The potential energy for a force field is given by
U(x,y) = (x+y). The force acting on a particle at position given by coordinates (0, π/4) is:
1
1√(2)(i + j)
2
-1√(2)(i + j)
3
(12i + √(3)2j)
4
(12i - √(3)2j)
03
PYQ 2010
medium
physics ID: bitsat-2
A long string is stretched by 2 cm and the potential energy is V. If the spring is stretched by 10 cm, its potential energy will be
1
V/25
2
V/5
3
5V
4
25V
04
PYQ 2012
medium
physics ID: bitsat-2
A sample of ideal monoatomic gas is taken round the cycle ABCA as shown in the figure. The work done during the cycle is: 
1
2
3
4
05
PYQ 2013
medium
physics ID: bitsat-2
A thermodynamic system is changed from state to by two different processes, the quantity which will remain same will be â
1
2
3
4
06
PYQ 2014
medium
physics ID: bitsat-2
One mole of gas having a volume equal to at and 1 atm is compressed isothermally so that its volume reduces to . The work done in this process is:
1
2
3
4
07
PYQ 2014
medium
physics ID: bitsat-2
A small block of mass is kept on a rough inclined surface of inclination fixed in an elevator. The elevator goes up with a uniform velocity and the block does not slide on the wedge. The work done by the force of friction on the block in time will be:
1
zero
2
3
4
08
PYQ 2015
medium
physics ID: bitsat-2
An elastic string of unstretched length and force constant is stretched by a small length . It is further stretched by another small length . The work done in the second stretching is:
1
2
3
4
09
PYQ 2019
medium
physics ID: bitsat-2
An elastic string of unstretched length L and force constant k is stretched by a small length x. It is further stretched by another small length y. The work done in the second stretching is
1
2
3
4
(1)/(2)k(x+y)²
10
PYQ 2019
easy
physics ID: bitsat-2
A man drags a block through on rough surface . A force of kN acting at to the horizontal. The work done by applied force is
1
zero
2
7.5 kJ
3
15 kJ
4
10 kJ
11
PYQ 2021
medium
physics ID: bitsat-2
One mole of an ideal gas is taken from state A to state B by three different processes, (i) ACB (ii) ADB (iii) AEB as shown in the P-V diagram. The heat absorbed by the gas is 
1
greater in process (ii) than in (i)
2
the least in process (ii)
3
the same in (i) and (iii)
4
less in (iii) than in (ii)
12
PYQ 2023
medium
physics ID: bitsat-2
A thermodynamic system is taken through a cyclic process as shown in the PV diagram. The total work done in the process is: 
1
J
2
J
3
J
4
J
13
PYQ 2023
medium
physics ID: bitsat-2
The work done in placing a charge of coulomb on a capacitor of capacitance 100 microfarad is:
1
joule
2
joule
3
joule
4
joule
14
PYQ 2026
medium
physics ID: bitsat-2
A particle moves under the effect of a force from to . The work done in the process is
1
2
3
4
Zero