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Physics

Physics
Eddy current is generated by

Direct Current
Induction
Convection
Conduction

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Physics
The layer of atmosphere used for radio-wave transmission is

Stratosphere
Troposphere
Ionosphere
Chromosphere

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Physics
A person can jump higher on the moon's surface than on the earth because :

The acceleration due to gravity in moon is smaller than that on the earth.
The moon has no atmosphere
The moon's surface is rough
The moon is cooler than earth

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Physics
What is unit of Astronomical distance ?

Weber
Lux
Light year
Angstrom

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Physics
The angle between the ________ and the incident ray is called the angle of incidence.

Reflected ray
Normal
Tangent
Surface

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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 :

1.2
2
1.5
1

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