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Civilsdaily
Exam Year:
1994
The colour of an opaque object is due to the colour it
The acceleration due to gravity of a catastrophic earthquake will be
The speed of light will be minimum while passing through
The colour of a star is an indication of its
A corked bottle full of water when frozen will break because
The half-life of a radio active element is 5 years. The fraction of the radioactive substance that remains after 20 years is
Which one of the following combinations of aperture and shutter speed of a camera will allow the maximum exposure
If a gas is compressed to half of its original volume at 27°C, to what temperature should it be heated to make it occupy its original volume
One mole of hydrogen gas burns in excess of oxygen to give 290 kJ of heat. What is the amount of heat produced when 4g of hydrogen gas is burnt under the same conditions
In an electronic watch, the component corresponding to pendulum of a pendulum clock is a