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Visible light
Infra-red rays
Ultra-violet rays
Fluorescent light
In a freezer ice cubes will be formed more quickly in trays made of
In a fully controlled bridge converter feeding a resistive load the waveshapes of output voltage and output current
In a fusion reaction,
In a laser (say neon laser) all the atoms emit the light waves of
In a nuclear reactor the moderator is used to
In a nuclear reactor, one of the following is used as a fuel.
In a particular system, the units of length, mass and time are chosen to be 10 cm, 10 g and 0.1 s respectively. The unit of force in this system will be equivalent to
In a pressure cooker cooking is faster because the increase in vapour pressure
In a railway track, two rails are joined end to end with a gap in between them because
In a rechargeable cell what kind of energy is stored within the cell