Physics An electron microscope gives higher magnification than an optical microscope, because : The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles The wavelength of electrons is smaller as compared to the wavelength of visible light It uses more powerful lenses The velocity of electron is smaller than that of visible light ANSWER DOWNLOAD EXAMIANS APP
Physics What is refractive index ? It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. It is defined as the ratio of speed of light in the medium to the speed of light in vacuum. None of above It is defined as the product of speed of light in medium and in vacuum. It is defined as the ratio of speed of light in vacuum to the speed of light in the medium. ANSWER DOWNLOAD EXAMIANS APP
Physics The instrument for measuring intensity of earthquakes is called Pantagraph Ergograph Seismograph Ediograph Pantagraph Ergograph Seismograph Ediograph ANSWER DOWNLOAD EXAMIANS APP
Physics Siphon will fail to work if: The level of the liquid in the two vessels are at the same height. The densities of the liquid in the two vessels are equal. The temperature of the liquids in the two vessels are the same. Both its limbs are of unequal length. The level of the liquid in the two vessels are at the same height. The densities of the liquid in the two vessels are equal. The temperature of the liquids in the two vessels are the same. Both its limbs are of unequal length. ANSWER DOWNLOAD EXAMIANS APP
Physics The device which converts sound energy into electrical energy is called Amplifier Speaker Microphone Transmitter Amplifier Speaker Microphone Transmitter ANSWER DOWNLOAD EXAMIANS APP
Physics If the length of a simple pendulum is halved then its period of oscillation is Decreased by a factor 2 Increased by a factor 2 Halved Doubled Decreased by a factor 2 Increased by a factor 2 Halved Doubled ANSWER DOWNLOAD EXAMIANS APP
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