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The unit of approximate distance from the sun to the earth is:
Which of the following is a vector quantity?
Unit of Power is known as
Weber is the unit of -------------
What is the unit of Astronomical distance ?
What is the SI unit of Luminous Intensity?
How many base units in SI system?
Ohm is a unit of measuring _________
Pascal is the unit for
Lux is the SI unit of
What is the S.I. unit of temperature?
Richter scale is used for measuring
Name the instrument used to measure relative humidity
The unit of current is
A chronometer measures
Fathom is the unit of
Electric current is measure by
Very small time intervals are accurately measured by
Joule is the unit of
Nautical mile is a unit of distance used in
'Bar' is the unit of
One nanometer is equal to
What is the unit for measuring the amplitude of sound?
Light year is a unit of
A machine do a work of 100 joule in 20 second. What is its power?
1 Horse Power (HP) = _________ Watt.
Potential energy = mass × ________ × height
The rate of change of work is _______ .
What happens to its potential energy when an object is taken to high altitude?
1 joule = ________ erg.
Which one of the following is not the unit of energy?
On an object the work done does not depend upon:
What is the smallest unit of power?
In 1 minute how much energy does a 100 W electric bulb transfers?
When an object falls freely towards the ground, then its total energy:
The commercial unit of Energy is:
The energy possessed by a body due to its position is called:
Which of the following device converts chemical energy in to electrical energy?
Unit of work is
A flying jet possess which type of energy
The device used to convert solar energy into electricity is
One Kilowatt hour is equal to-
Energy stored in a spring in watch-
Electromagnetic waves with the shorter wavelength is
Colours that appear on the upper layer of oil spread on road is due to
working principle of Optical Fibre
Refractive index of diamond
The twinkling of star is due to:
Wave theory of light was proposed by
Quantum theory was put forward by