Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 15 cm 5 cm 20 cm 10 cm 15 cm 5 cm 20 cm 10 cm ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape Should be made of a good conductor but can be of any shape Should be in the form of a vertical rod Should be made of a good conductor like copper with sharp-pointed edges Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Zero Greater than the weight of the man Same as the weight of the man Less than the weight of the man Zero Greater than the weight of the man Same as the weight of the man Less than the weight of the man ANSWER DOWNLOAD EXAMIANS APP
Physics In a ________ the wave particles of the medium vibrate in a direction perpendicular to the direction of wave propagation Field Transverse Longitudinal Rolling Field Transverse Longitudinal Rolling ANSWER DOWNLOAD EXAMIANS APP
Physics For an ideal gas, which one of the following statements does not hold true? The speed of all gas molecules is same The potential energy of the gas molecules is zero The kinetic energies of all gas molecules are not same There is no interactive force between the molecules. The speed of all gas molecules is same The potential energy of the gas molecules is zero The kinetic energies of all gas molecules are not same There is no interactive force between the molecules. ANSWER DOWNLOAD EXAMIANS APP
Physics An electric iron of 750 W is used for S hours per day. Then the energy consumed in one day by the iron is: 6 units 60 units 600 units 0.6 units 6 units 60 units 600 units 0.6 units ANSWER DOWNLOAD EXAMIANS APP
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