Physics Which waves cannot be transmitted through vacuum? Electromagnetic Heat Sound Light Electromagnetic Heat Sound Light ANSWER DOWNLOAD EXAMIANS APP
Physics An electron microscope gives higher magnification than an optical microscope, because : It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles It uses more powerful lenses The wavelength of electrons is smaller as compared to the wavelength of visible light The velocity of electron is smaller than that of visible light The electrons have more energy than the light particles ANSWER DOWNLOAD EXAMIANS APP
Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Have its shape changed Decrease Increase Remain unaffected Have its shape changed Decrease Increase Remain unaffected ANSWER DOWNLOAD EXAMIANS APP
Physics What is the minimum escape velocity of rocket to be launched into space ? 5 Km/Sec. 6 Km/Sec. 11 Km/Sec. 15 Km/Sec. 5 Km/Sec. 6 Km/Sec. 11 Km/Sec. 15 Km/Sec. ANSWER DOWNLOAD EXAMIANS APP
Physics The final image in a simple microscope is Virtual, magnified and erect Real, diminished and inverted Virtual, diminished and erect Real, magnified and erect Virtual, magnified and erect Real, diminished and inverted Virtual, diminished and erect Real, magnified and erect ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following celestial bodies contains abundant quantities of helium-3, a potential source of energy ? Saturn Earth Venus Moon Saturn Earth Venus Moon ANSWER DOWNLOAD EXAMIANS APP