Physics The purpose of choke in a fluorescent lamp is : To decrease the current flow To increase the current flow Ro decrease the voltage momentarily To decrease the resistance To decrease the current flow To increase the current flow Ro decrease the voltage momentarily To decrease the resistance ANSWER DOWNLOAD EXAMIANS APP
Physics Fibre optics work on the principle of Total internal absorption Total internal reflection Scattering of light Optical rotation Total internal absorption Total internal reflection Scattering of light Optical rotation 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 : (7/3)f (4/3)f (3/4)f F (7/3)f (4/3)f (3/4)f F ANSWER DOWNLOAD EXAMIANS APP
Physics In a refrigerator what produces the cooling ? The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these The evaporation of a volatile liquid The sudden expansion of a compressed gas The ice which deposits on the freezer None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is an example for cantilever beam? Common balance Diving board See-saw Bridge Common balance Diving board See-saw Bridge ANSWER DOWNLOAD EXAMIANS APP
Physics What is a neuron ? Particle released during radioactivity Basic unit of nervous system The anti-particle of neutron Basic unit of energy Particle released during radioactivity Basic unit of nervous system The anti-particle of neutron Basic unit of energy ANSWER DOWNLOAD EXAMIANS APP
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