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Physics

Physics
When a barometer is rising air pressure is

Increasing
Constant
Decreasing
Zero

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Physics
Parabolic mirrors are used in

Car headlights
Driving mirrors
Dentists mirros
Shaving mirros

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Physics
An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is:

60 units
6 units
0.6 units
600 units

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Physics
Atmospheric pressure exerted on earth is due to

Gravitational pull
Uneven heating of earth
Rotation of earth
Revolution of earth

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Physics
What is the unit of the physical quantity Entropy?

Joule per kelvin
Newton per kelvin
Watt per kelvin
Pascal per kelvin

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Physics
Which combination of colour is the most convenient during day and night time ?

White and black
Red and green
Yellow and blue
Organe and blue

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MORE MCQ ON Physics

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