Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Same as the weight of the man Zero Greater than the weight of the man Less than the weight of the man Same as the weight of the man Zero Greater than the weight of the man Less than the weight of the man ANSWER DOWNLOAD EXAMIANS APP
Physics Where should a boat compass be mounted? Near magnet Near iron Away from electrical wiring All listed here Near magnet Near iron Away from electrical wiring All listed here ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise ANSWER DOWNLOAD EXAMIANS APP
Physics Fleming's right hand rule is used to find the direction of the Alternate current Actual current Direct current Induced current Alternate current Actual current Direct current Induced current ANSWER DOWNLOAD EXAMIANS APP
Physics If the phase difference between two points is 120° for a wave with velocity of 360 m/s and frequency 500 Hz, then path difference between the two points is 12 cm 1 cm 6 cm 24 cm 12 cm 1 cm 6 cm 24 cm 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 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 The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. ANSWER DOWNLOAD EXAMIANS APP
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