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Physics

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

Black
White
Blue
Grey

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Physics
Two waves, each of amplitude 1.5 mm and frequency 10 Hz, are travelling in opposite direction with a speed of 20 mm/s. The distance in mm between adjacent nodes is :

1
1.2
1.5
2

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Physics
When a light wave is reflected from a mirror, there is a change in its

Frequency
Velocity
Amplitude
Wavelength

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Physics
Which of the following produces more severe burns ?

Boiling water
Hot water
Steam
Melting iceberg

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Physics
'Parsec' is the unit measurement of

Orbital velocity of giant stars
Density of stars
Brightness of heavenly bodies
Astronomical distance

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Physics
What is the source of energy for the water cycle?

Animals
Rain water
Clouds
Sun

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MORE MCQ ON Physics

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