Physics Wollen clothes keep the body warm because Wool increases the temperature of the body Wool rejects heat from the outer objects Wool is a bad conductor Wool absorbs radiant heat from outer objects Wool increases the temperature of the body Wool rejects heat from the outer objects Wool is a bad conductor Wool absorbs radiant heat from outer objects ANSWER DOWNLOAD EXAMIANS APP
Physics In severe winter, in cold countries water pipes burst because Water expands on freezing Combined effect of all the above three High atmospheric pressure Contraction of water pipes Water expands on freezing Combined effect of all the above three High atmospheric pressure Contraction of water pipes ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following pairs, which one does not have identical dimension? Impulse and Momentum Moment of inertia and moment of a force Work and Torque Angular momentum and Planck's constant Impulse and Momentum Moment of inertia and moment of a force Work and Torque Angular momentum and Planck's constant ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Scattering of blue light by water molecules Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Reflection of blue sky by sea water Scattering of blue light by water molecules Reflection of blue light by impurities in sea water ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is 24 hours 30 days Changing continuously 365 days 24 hours 30 days Changing continuously 365 days ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod ANSWER DOWNLOAD EXAMIANS APP