Physics Outside of cooking utensils are generally left black from below because Black surface is a good absorber of heat. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. It is difficult to clean daily. Black surface is a good absorber of heat. Black surface is a good conductor of heat. Black surface is a poor conductor of heat. It is difficult to clean daily. ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? All will cool at the same rate Sphere Circular plate Cube All will cool at the same rate Sphere Circular plate Cube ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 100 MeV 0.1 MeV 10 MeV 1 MeV 100 MeV 0.1 MeV 10 MeV 1 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics Energy that is produced commercially from coal is called Light energy Potential energy Thermal energy Kinetic energy Light energy Potential energy Thermal energy Kinetic energy ANSWER DOWNLOAD EXAMIANS APP
Physics Instrument used to study the behaviour of a vibrating string is : Hygrometer Barometer Hydrometer Sonometer Hygrometer Barometer Hydrometer Sonometer ANSWER DOWNLOAD EXAMIANS APP
Physics What is the range of masses involved in the study of Physics? 10-30 kg to 1030 kg 10-30 kg to 1055 kg 10-19 kg to 1038 kg 10-19 kg to 1055 kg 10-30 kg to 1030 kg 10-30 kg to 1055 kg 10-19 kg to 1038 kg 10-19 kg to 1055 kg ANSWER DOWNLOAD EXAMIANS APP
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