Physics Ocean currents are an example of Conduction Insulation Convection Radiation Conduction Insulation Convection Radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A fountain pen works on the principle of Bernoulli's principle Capillary action Flow of liquids from higher to lower potential Viscosity of liquids Bernoulli's principle Capillary action Flow of liquids from higher to lower potential Viscosity of liquids ANSWER DOWNLOAD EXAMIANS APP
Physics In a Laser (say neon laser) all the atoms emit the light waves of Same amplitude Same frequency All of these Same phase Same amplitude Same frequency All of these Same phase ANSWER DOWNLOAD EXAMIANS APP
Physics Pycnometer is an instrument used to measure the Density High temperatures Intensity of earthquake Intensity of solar radiation Density High temperatures Intensity of earthquake Intensity of solar radiation ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Can be of any shape 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 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. Both the photons have different energies. The frequency of X-ray photon is higher than the frequency of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP