Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 40 J 30 J 50 J 20 J 40 J 30 J 50 J 20 J ANSWER DOWNLOAD EXAMIANS APP
Physics Mica is used in electrical appliances such as electric iron because mica is a good conductor of heat but a bad conductor of electricity a good conductor of heat as well as electricity a bad conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity a good conductor of heat but a bad conductor of electricity a good conductor of heat as well as electricity a bad conductor of heat as well as electricity a bad conductor of heat but a good conductor of electricity ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Absorbing UV radiations Absorbing cosmic ray particles Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing UV radiations Absorbing cosmic ray particles Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because All of these It forms smaller image as compared with object It forms erect (upright) image It forms real image All of these It forms smaller image as compared with object It forms erect (upright) image It forms real image ANSWER DOWNLOAD EXAMIANS APP
Physics In sunlight a rose appears red. In green light, the same rose appears Red Black Green Yellow Red Black Green Yellow ANSWER DOWNLOAD EXAMIANS APP
Physics Of the following properties of a wave, the one that is independent of the other is its wavelength velocity amplitude frequency wavelength velocity amplitude frequency ANSWER DOWNLOAD EXAMIANS APP