Physics The point where total mass of a body is supposed to be concentrated is known as Centre of mass Dead centre Centre of motion Centre of gravity Centre of mass Dead centre Centre of motion Centre of gravity ANSWER DOWNLOAD EXAMIANS APP
Physics The distance between node and adjacent antinode is 30 cm. The wavelength is 30 cm. 60 cm. 90 cm. 120 cm. 30 cm. 60 cm. 90 cm. 120 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. 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 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the highest frequency? Radio waves X-rays Microwaves Cosmic rays Radio waves X-rays Microwaves Cosmic rays ANSWER DOWNLOAD EXAMIANS APP
Physics Gas thermometers are more sensitive than the liquid thermometers because the gases Are lighter Have high,specific heat Have low specific heat Have large coefficient of expansion Are lighter Have high,specific heat Have low specific heat Have large coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Choose the most appropriate answer: Sir CV Raman was awarded Noble Prize for his work connected with which of the following phenomenon of radiation? Polarization Interference Diffraction Scattering Polarization Interference Diffraction Scattering ANSWER DOWNLOAD EXAMIANS APP
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