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Physics

Physics
Loudness of sound depends on

Amplitude
Pitch
Wavelength
Frequency

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Physics
When a constant force acts on an object with a mass of 8 kg for a duration of 3 s. it increases the object's velocity from 4 m/s to 6 m/s . What is the magnitude of the applied force?

3.33 N
5.33 N
4.33 N
6.33 N

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Physics
Of the following natural phenomena, tell which one known in Sanskrit as 'deer's thirst'?

Halo
Mirage
Rainbow
Earthshine

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Physics
A wire of copper having length I and area of cross-section A is taken and a current i is flown through it. The power dissipated in the wire is P. If we take an aluminium wire having same dimensions and pass the same current through it, the power dissipated will be

> P
< P
P
2P

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Physics
A radioactive substance does not undergo any change (in mass or charge) during

Beta-emission
Oxidation
Alpha-emission
Gamma-emission

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Physics
Matter waves are

Longitudinal waves
Transverse waves
De Broglie waves
Electromagnetic waves

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MORE MCQ ON Physics

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