Physics Basic

The rainbow is formed by

• Total internal reflection

• Dispersion of light

• Interference of Iight

• None of these

A nuclear reactor works on the principle of nuclear:

• Fusion

• Explosion

• Fission

• Assimilation

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A body at rest can have

• Acceleration

• Energy

• Motion

• Velocity

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The rain drops are spherical in shape due to

• Surface tension

• Viscosity

• Excess pressure

• Stress

Who is called as Father of Fiber Optics ?

• Mario Maurer

• Simon Parry

• Narinder Singh Kapany

• Dr. Thomas Mensah

The twinkling of star is due to:

• Reflection

• Dispersion

• Absorption

• Refraction

Which is used to measures strength of electric current ?

• Ammeter

• Altimeter

• Audiometer

• Electrometer

The radiator tubes are manufactured by using:

• Cast iron tubes

• Aluminum tubes

• Brass tubes

• Steel tubes

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The velocity of sound does not depend on

• Temperature

• Medium

• Pressure

• Humidity

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The ultrasonic sound can be heard by

• Dogs

• Men

• Microphone

• None of these