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Physics

Physics
In beta decay what is emitted

Electron
Neutron
Proton
All of these

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Physics
The unit of energy in MKS system is

Volt
Joule
Erg
Ohm

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Physics
If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths?

LUV > lVIS > lIR
LUV > lIR > lVIS
LUV < lVIS < lIR
LUV < lIR < lVIS

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Physics
During thunderstorm you are travelling in a car. To protect yourself from the lightning you will have to

Get out of the car and lie flat in the ground
Touch the nearest electric pole
Abandon the car and take shelter under a nearby tree
Remain in the car

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Physics
Let a thin capillary tube be replaced with another tube of insufficient length then, we find water

will not rise
depressed
change its meniscus
will overflow

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Physics
Unit of impedance is ________

Tesla
Henry
Ohm
Hertz

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