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Physics

Physics
An object which absorbs all colours and reflects none appears:

White
Blue
Black
Grey

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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?

5.33 N
3.33 N
4.33 N
6.33 N

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Physics
Heat stored in water vapour is

Specific heat
Relative heat
Absolute heat
Latent heat

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Physics
The temperature which has the same reading on both Fahrenheit and Celsius scales is

–40°
32°
40°
0°

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Physics
Vehicle tyres are inflated properly

To allow the vehicle to take more load.
To avoid skidding and to minimise friction
To go fast and save fuel.
To ensure smooth running.

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Physics
When a barometer reading suddenly recedes, it indicates that climate–

Will remain cold
Incessant rain for at least 48
Will be extremely stormy
Will be very warm

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