Physics Heavy water is used in nuclear reactor to Absorb neutron Increase speed of neutron Slow down neutron Increase temperature Absorb neutron Increase speed of neutron Slow down neutron Increase temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Solids have definite shapes.This is because The forces of adhesion are large The forces of cohesion of the molecules within are very much less in them The forces of adhesion are less The forces of cohesion are very large The forces of adhesion are large The forces of cohesion of the molecules within are very much less in them The forces of adhesion are less The forces of cohesion are very large ANSWER DOWNLOAD EXAMIANS APP
Physics Woollen cloth protects the body from cold because It reflects heat It is a poor conductor of heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth It reflects heat It is a poor conductor of heat It is a good conductor of heat External heat rays enter into the body through the woollen cloth ANSWER DOWNLOAD EXAMIANS APP
Physics Ozone layer in the outer atmosphere helps us in Absorbing cosmic ray particles Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing UV radiations Absorbing cosmic ray particles Reflecting radio waves and makes radio communication possible Regulating the temperature of atmosphere Absorbing UV radiations 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 frequency of X-ray photon is higher than the frequency of visible radiation photon. The speeds of both the photons in vacuum are different The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. 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 The wavelength of X-ray photon is less than the wavelength of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics An aeroplane is flying horizontally with a velocity of 600 km/h and at a height of 1960 m. When it is vertically at a point A on the ground a bomb is released from it. The bomb strikes the ground at point B. The distance AB is 3.33 km 0.33 km 33 km 1200 m 3.33 km 0.33 km 33 km 1200 m ANSWER DOWNLOAD EXAMIANS APP