Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 2000 0.016 0.008 1000 2000 0.016 0.008 1000 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 < lVIS < lIR LUV > lVIS > lIR LUV < lIR < lVIS LUV > lIR > lVIS LUV < lVIS < lIR LUV > lVIS > lIR LUV < lIR < lVIS ANSWER DOWNLOAD EXAMIANS APP
Physics Which phenomena shows the particle nature of light? Diffraction Interference Photoelectric effect Polarisation Diffraction Interference Photoelectric effect Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Greater than Less than Greater than or equal to Equal to Greater than Less than Greater than or equal to Equal to ANSWER DOWNLOAD EXAMIANS APP
Physics For an object, the state of rest is considered to be the state of ________ speed. Inverse Zero Increasing Decrease Inverse Zero Increasing Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics Newton's first law of motion gives the concept of Momentum Work Inertia Energy Momentum Work Inertia Energy ANSWER DOWNLOAD EXAMIANS APP