Physics The minimum number of forces to keep a particle in equilibrium is 3 4 1 2 3 4 1 2 ANSWER DOWNLOAD EXAMIANS APP
Physics The force of friction between two surfaces will increase if: A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed A layer of lubricant is kept between the two surfaces Air gap is created between the two surfaces The two surfaces are pressed harder Irregularities on both the surfaces are removed 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? Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different Both the photons have different energies. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. The frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different ANSWER DOWNLOAD EXAMIANS APP
Physics Forged documents are detected by Infra-red rays Beta rays Ultraviolet rays Gamma rays Infra-red rays Beta rays Ultraviolet rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics The weight of a body acts through the centre of Mass Gravity Both (A) and (B) Buoyancy Mass Gravity Both (A) and (B) Buoyancy ANSWER DOWNLOAD EXAMIANS APP
Physics Which process allows water to enter the atmosphere? Respiration Condensation Evaporation Transpiration Respiration Condensation Evaporation Transpiration ANSWER DOWNLOAD EXAMIANS APP