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Physics

Physics
One bar is equal to

106 Pa
105 Pa
103 Pa
104 Pa

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Physics
Light Emitting Diodes (LED) is used in fancy electronic devices such as toys emit

visible light
X-rays
radio waves
ultraviolet light

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Physics
Heat transfer horizontally within the atmosphere is called

Absorption
Conduction
Advection
Convection

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Physics
The distance between node and adjacent antinode is 30 cm. The wavelength is

30 cm.
90 cm.
120 cm.
60 cm.

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Physics
According to the theory of relativity, which of the following always remains constant ?

Velocity of light
Length of an object
Time
Space

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Physics
At what temperature do the Fahrenheit and Celsius scales give the same reading?

-40 degreees
212 degrees
0 degreees
32 degreees

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