Physics Light travels at the fastest speed in: glass hydrogen water vacuum glass hydrogen water vacuum ANSWER DOWNLOAD EXAMIANS APP
Physics The purpose of choke in a fluorescent lamp is : To decrease the current flow Ro decrease the voltage momentarily To decrease the resistance To increase the current flow To decrease the current flow Ro decrease the voltage momentarily To decrease the resistance To increase the current flow ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan cools surrounding air. We feel cool when air touches the body. Air vapourises the sweat on our body. Fan gives cool air. Fan cools surrounding air. We feel cool when air touches the body. Air vapourises the sweat on our body. Fan gives cool air. ANSWER DOWNLOAD EXAMIANS APP
Physics Bolometer is used to measure Wavelength Frequency Velocity Temperature Wavelength Frequency Velocity Temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to The ultraviolet rays The infra-red rays G-rays X-rays The ultraviolet rays The infra-red rays G-rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The energy obtained from atoms is known as ________ Solar energy Nuclear energy Chemical energy Heat energy Solar energy Nuclear energy Chemical energy Heat energy ANSWER DOWNLOAD EXAMIANS APP