Physics Which of the following options correctly explains the term heat budget? It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. It is the balance between incoming and outgoing radiation It is a mode of transfer of heat through matter by molecular activity. It is the amount of heat which the surface of earth receives from the sun. It is the radiation from the earth in the form of long waves. ANSWER DOWNLOAD EXAMIANS APP
Physics For an ideal gas, which one of the following statements does not hold true? The kinetic energies of all gas molecules are not same The potential energy of the gas molecules is zero The speed of all gas molecules is same There is no interactive force between the molecules. The kinetic energies of all gas molecules are not same The potential energy of the gas molecules is zero The speed of all gas molecules is same There is no interactive force between the molecules. ANSWER DOWNLOAD EXAMIANS APP
Physics The temperature which has the same reading on both Fahrenheit and Celsius scales is 0° –40° 32° 40° 0° –40° 32° 40° ANSWER DOWNLOAD EXAMIANS APP
Physics 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 10 N 0.1 N 1 N 100 N 10 N 0.1 N 1 N 100 N ANSWER DOWNLOAD EXAMIANS APP
Physics During uniform motion of an object along a straight line, its ________ remains constant with time. Velocity Force Deceleration Acceleration Velocity Force Deceleration Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics A convex mirror of focal length f (in air) is immersed in a liquid (u=4/3). The focal length of the mirror in the liquid will be : (4/3)f (3/4)f (7/3)f F (4/3)f (3/4)f (7/3)f F ANSWER DOWNLOAD EXAMIANS APP