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Physics

Physics
What is the unit of relative density?

Kg/m3
It has no unit
Kg/m2
Kg/m

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Physics
The phenomenon which causes mirage is

Diffraction
Interference
Polarisation
Total internal reflection

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Physics
Sound of frequency below 20 Hz is called

supersonics
infrasonic
audio sounds
ultrasonic

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Physics
What is the escape velocity of the rocket in the earth?

13.2 km/sec
12.2 km/sec
10.2 km/sec
11.2 km/sec

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Physics
Water is not suitable as a calorimetric substance because it :

Low latent heat of vapourization
Is a good conductor
Has high specific heat
Has high boiling point

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Physics
The fuse in our domestic electric circuit melts when there is a high rise in

Current
Resistance
Inductance
Capacitance

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MORE MCQ ON Physics

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