Physics Which one of the following wavelengths of light is most effective in photosynthesis ? Green Yellow Blue Orange Green Yellow Blue Orange ANSWER DOWNLOAD EXAMIANS APP
Physics A good conductor while carrying current is Electrically neutral Negatively charged Positively charged Alternately charged positive and negative Electrically neutral Negatively charged Positively charged Alternately charged positive and negative ANSWER DOWNLOAD EXAMIANS APP
Physics The coil wire in the electric room heater or electric cooking heater is called ________ Element Filament Circuit Cells Element Filament Circuit Cells ANSWER DOWNLOAD EXAMIANS APP
Physics The waves used in sonography are Sound waves Micro waves Ultrasonic waves Infra-red waves Sound waves Micro waves Ultrasonic waves Infra-red waves ANSWER DOWNLOAD EXAMIANS APP
Physics We always see the same face of the moon, because It revolves on its axis in adirection opposite to that ofthe earth It takes equal time for revolution around the earth and rotation on its own axis It is smaller than the earth It rotates at the same speed as the earth around the sun It revolves on its axis in adirection opposite to that ofthe earth It takes equal time for revolution around the earth and rotation on its own axis It is smaller than the earth It rotates at the same speed as the earth around the sun 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 frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. 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. The frequency of X-ray photon is higher than the frequency of visible radiation photon. Both the photons have different energies. 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
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