1

IIT-JEE 2004 Screening

MCQ (Single Correct Answer)

+2

-0.5

A particle is acted by a force F = kx, where k is a +ve constant. Its potential energy at x = 0 is zero. Which
curve correctly represents the variation of potential energy of the block with respect to x

2

IIT-JEE 2003 Screening

MCQ (Single Correct Answer)

+2

-0.5

If W

_{1}, W_{2}and W_{3}represent the work done in moving a particle from A to B along three different paths 1, 2 and 3 respectively (as shown) in the gravitational field of a point mass m, find the correct relation between W_{1}, W_{2}and W_{3}.3

IIT-JEE 2002 Screening

MCQ (Single Correct Answer)

+2

-0.5

An ideal spring with spring-constant k is hung from the ceiling and a block of mass M is attached to its lower end. The mass is released with the spring initially unstretched. Then the maximum extension in the spring is

4

IIT-JEE 2000 Screening

MCQ (Single Correct Answer)

+2

-0.5

A wind-powered generator converts wind energy into electrical energy. Assume that the generator converts a fixed fraction of the wind energy intercepted by its blades into electrical energy. For wind speed v, the electrical power output will be proportional to

Questions Asked from Work Power & Energy (MCQ (Single Correct Answer))

Number in Brackets after Paper Indicates No. of Questions

JEE Advanced 2018 Paper 2 Offline (1)
JEE Advanced 2015 Paper 1 Offline (1)
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JEE Advanced 2013 Paper 1 Offline (1)
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IIT-JEE 2008 Paper 2 Offline (2)
IIT-JEE 2004 Screening (1)
IIT-JEE 2003 Screening (1)
IIT-JEE 2002 Screening (1)
IIT-JEE 2000 Screening (1)
IIT-JEE 1999 Screening (1)
IIT-JEE 1994 (1)
IIT-JEE 1980 (2)

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