Physics Ultra violet radiations of the Sun do not reach the earth because, earth's atmosphere is surrounded by Carbon dioxide Chlorine Ammonia Ozone Carbon dioxide Chlorine Ammonia Ozone ANSWER DOWNLOAD EXAMIANS APP
Physics A sphere rolls down on two inclined planes of different angles but same height, it does so With the same speed In the same time In the same time with the same kinetic energy In the same time with the same speed With the same speed In the same time In the same time with the same kinetic energy In the same time with the same speed ANSWER DOWNLOAD EXAMIANS APP
Physics A bimetal made copper and iron strips welded together is straight at room temperature. It is held vertically with iron strip towards left and copper strip towards right. If this bimetal is heated, it will None of these Remain straight Bend towards left Bend towards right None of these Remain straight Bend towards left Bend towards right ANSWER DOWNLOAD EXAMIANS APP
Physics In the electrical circuit of a house, the fuse acts as A load A step down device A thermopile A safety device A load A step down device A thermopile A safety device ANSWER DOWNLOAD EXAMIANS APP
Physics If the wavelengths corresponding to ultraviolet, visible and infrared radiations are given as lUV, lVIS and lIR respectively, then which of the following gives the correct relationship among these wavelengths? LUV > lVIS > lIR LUV > lIR > lVIS LUV < lVIS < lIR LUV < lIR < lVIS LUV > lVIS > lIR LUV > lIR > lVIS LUV < lVIS < lIR LUV < lIR < lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics In the Earth, the weight of a body is maximum at the South Pole Equator Surface North Pole South Pole Equator Surface North Pole ANSWER DOWNLOAD EXAMIANS APP