The amount of radiation mainly depends upon the

A) Nature of the body B) Temperature of the body C) Type of surface of the body D) All of these

Answer & Solution

Correct Answer: Option D

Radiation is a method of heat transfer that does not rely upon any contact between the heat source and the heated object It depends on nature of the body, its temperature and kind & extent of its surface.

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Mohammed Alshuaili 5 years ago

The total impedance of a circuit decreases when an inductor is added in series to an RC circuit

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True
False

Mohammed Alshuaili 5 years ago

An electron and a proton travelling with the same velocity are injected into a region of uniform magnetic field at 900 to the magnetic field direction. The initial magnetic forces on them are

a.
equal in magnitude and opposite in direction

b.
equal in magnitude and perpendicular to each other

c.
in opposite directions and differing in magnitude by the ratio of their masses

d.
equal in magnitude and direction

Mohammed Alshuaili 5 years ago

Mode of transmission of heat, in which heat is carried by the moving particles, is conduction

Select one:
True
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