Physics Bats can sense obstacles because they produce Infrasonic sound waves Ultrasonic sound waves Supersonic sound waves Micro sound waves Infrasonic sound waves Ultrasonic sound waves Supersonic sound waves Micro sound waves ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following liquids has the least density ? Petrol Mercury Fresh water Salt water Petrol Mercury Fresh water Salt water 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 > lIR > lVIS LUV < lIR < lVIS LUV > lVIS > lIR LUV < lVIS < lIR LUV > lIR > lVIS LUV < lIR < lVIS LUV > lVIS > lIR LUV < lVIS < lIR ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension MLT–2 corresponds to Force Velocity Work done Acceleration Force Velocity Work done Acceleration ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor but can be of any shape Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit of luminous emittance is : Lumen second Candela Lumen Lux Lumen second Candela Lumen Lux ANSWER DOWNLOAD EXAMIANS APP