Physics Permissible noise level at Residential area during night time is : 45 dB (A) 55 dB (A) 75 dB (A) 80 dB (A) 45 dB (A) 55 dB (A) 75 dB (A) 80 dB (A) ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 45 kHz 35 kHz 20kHz 60 kHz 45 kHz 35 kHz 20kHz 60 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics Forged documents are detected by Infra-red rays Ultraviolet rays Gamma rays Beta rays Infra-red rays Ultraviolet rays Gamma rays Beta rays ANSWER DOWNLOAD EXAMIANS APP
Physics The propagation of sound waves in a gas involves Isobaric compression and rarefaction Isothermal compression and rarefaction Isochoric compression and rarefaction Adiabatic compression and rarefaction Isobaric compression and rarefaction Isothermal compression and rarefaction Isochoric compression and rarefaction Adiabatic compression and rarefaction ANSWER DOWNLOAD EXAMIANS APP
Physics A simple microscope consists of : A long focus convex lens A long focus concave lens A short focus concave lens A short focus convex lens A long focus convex lens A long focus concave lens A short focus concave lens A short focus convex lens ANSWER DOWNLOAD EXAMIANS APP
Physics What is the reason for formation of Mirage in desert? Refraction of light Reflection of light Total internal reflection of light Both Refraction and Total internal reflection of light Refraction of light Reflection of light Total internal reflection of light Both Refraction and Total internal reflection of light ANSWER DOWNLOAD EXAMIANS APP