Physics Contact force is another name for ________ Friction Magnetic force Electrostatic force Muscular force Friction Magnetic force Electrostatic force Muscular force ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The speeds of both the photons in vacuum are different ANSWER DOWNLOAD EXAMIANS APP
Physics Transition ions absorb light in : Visible region Ultraviolet region Infrared region Microwave region Visible region Ultraviolet region Infrared region Microwave region ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 150 J 100 J 50 J 75 J 150 J 100 J 50 J 75 J ANSWER DOWNLOAD EXAMIANS APP
Physics Dynamo is a device for converting Chemical energy into electrical energy Mechanical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy Chemical energy into electrical energy Mechanical energy into electrical energy Heat energy into electrical energy Magnetic energy into electrical energy ANSWER DOWNLOAD EXAMIANS APP
Physics Thermal expansion of materials arises from Asymmetry of potential energy curve Thermal vibrations Weak bonds Strong bonds Asymmetry of potential energy curve Thermal vibrations Weak bonds Strong bonds ANSWER DOWNLOAD EXAMIANS APP
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