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Physics

Physics
After removing two electrons from helium atom it become?

UV rays
Alpha particle
Gama particle
X rays

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Physics
The odometer guage indicates

Frequency of the wave
The distance travelled by a vehicle
The depth of the ocean
Pitch length

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Physics
Electric power is measured in units of

Joule
Watt
Volt
Ampere

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Physics
Magnetic field lines about a current-carrying wire

Circle the wire in closed loops
Extend radially from the wire
None of these
Both of these

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Physics
A pond of water appears less deep due to

Refraction
Diffraction
Polarisation
Reflection

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Physics
The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by

1 MeV
0.1 MeV
10 MeV
100 MeV

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