Physics Two metallic plate of equal thickness and coefficient thermal conductivity K1 and K2 put together face to face. A common plate is constructed. What is equivalent K? None K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 None K1+k2/k1k2 K1k2/k1+k2 2k1k2/k1+k2 ANSWER DOWNLOAD EXAMIANS APP
Physics When a stone is thrown in the calm water of a pond the waves produced on the surface of water in the pond are Transverse Longitudinal Both longitudinal and transverse Waves are not produced Transverse Longitudinal Both longitudinal and transverse Waves are not produced ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? A-rays X-rays G-rays B-rays A-rays X-rays G-rays B-rays ANSWER DOWNLOAD EXAMIANS APP
Physics One billionth of a second is called Microsecond Nanosecond Millisecond Picoseconds Microsecond Nanosecond Millisecond Picoseconds ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of gravitational field of earth is maximum at Poles Surface Equator Centre of earth Poles Surface Equator Centre of earth ANSWER DOWNLOAD EXAMIANS APP
Physics Alpha particle is the nucleus of an atom of Helium Lithium Oxygen Hydrogen Helium Lithium Oxygen Hydrogen ANSWER DOWNLOAD EXAMIANS APP