Physics A copper disc has a hole. If the disc is heated, the size of the hole First increases and than decreases Increases Decreases No change First increases and than decreases Increases Decreases No change ANSWER DOWNLOAD EXAMIANS APP
Physics Light travels in a straight line (rectilinear propagation of light). This statement does hold if the medium of travel for light is Of variable refractive index Made up of slabs of different refractive indices Homogeneous and transparent Inhomogeneous and transparent Of variable refractive index Made up of slabs of different refractive indices Homogeneous and transparent Inhomogeneous and transparent ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Scattering of the sunlight by water molecules Refraction of the sun light Reflection of the sun light from water surface Interference of the sun light from water surface Scattering of the sunlight by water molecules Refraction of the sun light Reflection of the sun light from water surface Interference of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP
Physics A person is hurt on kicking a stone due to Reaction Velocity Momentum Inertia Reaction Velocity Momentum Inertia ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is used for regulated electric supply ? Tunnel diode Junction diode Zener diode Gun diode Tunnel diode Junction diode Zener diode Gun diode ANSWER DOWNLOAD EXAMIANS APP
Physics The snow on the mountains does not melt all at once when it is heated by the sun because: It has a high latent heat of fusion It has a low specific heat capacity It becomes very hard It reflects most of the heat from the sun It has a high latent heat of fusion It has a low specific heat capacity It becomes very hard It reflects most of the heat from the sun ANSWER DOWNLOAD EXAMIANS APP
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