Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 1300 A°–3000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 7800 A° – 8000 A° 1300 A°–3000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance Varies with the increase of depth of the immersion of the iron piece Will increase Will decrease Does not change Varies with the increase of depth of the immersion of the iron piece Will increase Will decrease Does not change ANSWER DOWNLOAD EXAMIANS APP
Physics If an electron and a photon have the same wavelength, then they will have the same Velocity Angular momentum Linear momentum Energy Velocity Angular momentum Linear momentum Energy ANSWER DOWNLOAD EXAMIANS APP
Physics Who enunciated the laws of planetary motion? Johannes Kepler Galileo Nicolaus Copernicus Isaac Newton Johannes Kepler Galileo Nicolaus Copernicus Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics The speed of sound travel fastest through None of these Gas Solid Liquid None of these Gas Solid Liquid ANSWER DOWNLOAD EXAMIANS APP
Physics Rainbows are produced when sunlight : Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction and internal reflection. None of the given statements is correct. Incident on raindrops hanging in the atmosphere is dispresed after suffering reflection. Incident on rain drops hanging in the atmosphere is dispersed after suffering refraction ANSWER DOWNLOAD EXAMIANS APP
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