1

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

2

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

3

IIT-JEE 1999 Screening

MCQ (Single Correct Answer)

+2

-0.5

A spring of force-constant k is cut into two pieces such that one piece is double the length of the other. Then the long piece will have a force-constant of

4

IIT-JEE 1994

MCQ (Single Correct Answer)

+1

-0.25

A particle of mass m is moving in a circular path of constant radius r such that its centripetal acceleration $${a_c}$$ is varying with time t as $${a_c}$$ = k

^{2}rt^{2}where k is a constant. The power delivered to the perticles by the force acting on it is: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)
JEE Advanced 2014 Paper 2 Offline (1)
JEE Advanced 2013 Paper 2 Offline (2)
JEE Advanced 2013 Paper 1 Offline (1)
IIT-JEE 2010 Paper 2 Offline (1)
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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