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Physics

Physics
Alternating current is converted into direct current by a

Oscillator
Rectifier
Dynamo
Transformer

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Physics
Stars appears to move from east to west because

The background of the stars moves from west to east
All stars move from east to west
The earth rotates from west to east
The earth rotates from east to west

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Physics
An atom with more neutrons than protons is called

Compound
Element
None of these
Isotope

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Physics
A car accelerates uniformly from 18 kmph to 72 kmph in 5 s. The acceleration of the car (in m/s2) is:

6
7
5
3

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Physics
A sphere rolls down on two inclined planes of different angles but same height, it does so

In the same time
In the same time with the same speed
With the same speed
In the same time with the same kinetic energy

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Physics
Lightning is caused due to

Electric discharge
Electric leak
Electric power
Electric pressure

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MORE MCQ ON Physics

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