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Physics

Physics
Which of the following has the highest frequency?

Microwaves
X-rays
Cosmic rays
Radio waves

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Physics
A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2]

1568 C
1568 N
1568 W
1568 J

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Physics
If an electron and a photon have the same wavelength, then they will have the same

Energy
Linear momentum
Angular momentum
Velocity

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Physics
While catching a ball, a player pulls down his hands to lower the–

Impulse
Momentum
Catching time
Force

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Physics
Which of the following has the shortest wavelength?

Infrared rays
Radio waves
Gamma rays
Microwaves

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Physics
When a steel ball is placed on the surface of mercury, it does not sink because

Mercury is a semisolid
Of the surface tension of mercury
The density of mercury is greater than that of steel
Of the high viscosity of mercury

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