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Physics

Physics
Instrument used to measure the force and velocity of the wind is

Anemometer
Altimeter
Ammeter
Audiometer

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Physics
After long periods of use, a grey spot develops on the inside of a bulb. This is because

Glass undergoes a change due to the heat
The tungsten filament evaporates and collects there
The heat of the bulb scorches the glass at the top
Dust inside the bulb condenses on the top

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Physics
Which of the following is used for regulated electric supply ?

Gun diode
Tunnel diode
Zener diode
Junction diode

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Physics
Magnetism at the centre of a bar magnet is

minimum or maximum
minimum
maximum
zero

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Physics
Boyle's law is a relationship between

Volume and density
Volume and temperature
Pressure and volume
Pressure and temperature

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Physics
A soap bubble shows colours when illuminated with white light. This is due to

Polarisation
Interference
Diffraction
Reflection

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MORE MCQ ON Physics

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