Work, Power and EnergyHard
Question
Masses of two substances of 1 g and 9 g respectively. If their kinetic energies are same, then the ratio of their momenta will be :-
Options
A.1 : 9
B.9 : 1
C.3 : 1
D.1 : 3
More Work, Power and Energy Questions
The correct graph between the energy E of an electron and its de-Broglie wavelength λ will be:-...A crane lifts 300 kg weight from earth′s surface upto a height of 2m in 3 seconds. The average power generated by ...When a metal surface is illuminated by light of wavelengths 400 nm and 250 nm, the maximum velocities of the photoelectr...If a spring extends by x on loading then energy stored by the spring is :- (T is tension in the spring)If a spring exten...A graph of potential energy V ( x ) verses x is shown in figure. A particle of energy E0 is executing motion in it. Whic...