JEE-MAIN SERIES Physics
Work Energy Theorem
5 previous year questions.
Volume: 5 Ques
Yield: Medium
High-Yield Trend
1
2023 4
2022 Chapter Questions 5 MCQs
01
PYQ 2022
medium
physics ID: jee-main
A Carnot engine takes 5000 kcal of heat from a reservoir at 727°C and gives heat to a sink at 127°C. The work done by the engine is
1
J
2
Zero
3
J
4
J
02
PYQ 2022
easy
physics ID: jee-main
A 100 g of iron nail is hit by a hammer striking at a velocity of . What will be the rise in the temperature of the nail if one fourth of energy of the hammer goes into heating the nail?
[Specific heat capacity of iron = ]
[Specific heat capacity of iron = ]
1
675°C
2
1600°C
3
16.07°C
4
6.75°C
03
PYQ 2022
easy
physics ID: jee-main
An electric bulb is rated as 200 W. What will be the peak magnetic field at 4 m distance produced by the radiations coming from this bulb? Consider this bulb as a point source with 3.5% efficiency.
1
2
3
4
04
PYQ 2022
easy
physics ID: jee-main
The light of two different frequencies whose photons have energies 3.8 eV and 1.4 eV respectively, illuminate a metallic surface whose work function is 0.6 eV successively. The ratio of maximum speeds of emitted electrons for the two frequencies respectively will be
1
1 : 1
2
2 : 1
3
4 : 1
4
1 : 4
05
PYQ 2023
medium
physics ID: jee-main
The energy associated with electric field is E and with magnetic field is B for an electromagnetic wave in free space is given by( -permittivity of free space -permeability of free space)
1
2
3
4
About Work Energy Theorem - JEE-MAIN
Work Energy Theorem is a vital chapter for JEE-MAIN aspirants. Mastering the concepts covered in this chapter is essential for securing a top rank.
By rigorously practicing the previous year questions associated with this chapter, you can identify high-yield topics, understand the examiner's perspective, and boost your confidence during the actual exam.
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