Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 1300 A°–3000 A° 3900 A° – 7600 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to X-rays The infra-red rays G-rays The ultraviolet rays X-rays The infra-red rays G-rays The ultraviolet rays ANSWER DOWNLOAD EXAMIANS APP
Physics 1 m/s equals ________ km/hr 16/5 43967 43969 18/5 16/5 43967 43969 18/5 ANSWER DOWNLOAD EXAMIANS APP
Physics Solar eclipse will take place when the moon does not lie on the line joining the sun and the earth the sun is between the moon and the earth the earth is between the moon and the sun the moon is between the sun and the earth the moon does not lie on the line joining the sun and the earth the sun is between the moon and the earth the earth is between the moon and the sun the moon is between the sun and the earth ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Electrostatic force Muscular force Friction Magnetic force Electrostatic force Muscular force Friction Magnetic force ANSWER DOWNLOAD EXAMIANS APP
Physics Lens is made up of which glass Pyrex glass Flint glass Ordinary glass Cobalt glass Pyrex glass Flint glass Ordinary glass Cobalt glass ANSWER DOWNLOAD EXAMIANS APP
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