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Physics

Physics
The velocity of the sound is highest in

Metal
Air
Water
Vacuum

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Physics
Which one among the following components is used as an amplifying device?

Capacitor
Transformer
Diode
Transistor

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Physics
Where does hydroelectric energy come from?

All of these
Water
Air
Solar

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Physics
Shaving mirror is

Parabolic
Convex
Concave
Plane

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Physics
Period of oscillation of 3 cm microwaves in seconds is

0.01
0.001
1 × 10–10
1 × 1010

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Physics
The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object.

2 m/sq.s
2 m/s
2 s
2 m

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MORE MCQ ON Physics

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