Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° 8500 A° – 9800 A° 1300 A°–3000 A° 7800 A° – 8000 A° 3900 A° – 7600 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Why does the sea appear blue in colour? Scattering of the sunlight by water molecules Reflection of the sun light from water surface Refraction of the sun light Interference of the sun light from water surface Scattering of the sunlight by water molecules Reflection of the sun light from water surface Refraction of the sun light Interference of the sun light from water surface ANSWER DOWNLOAD EXAMIANS APP
Physics The radiant energy having lowest energy is Visible light Microwave radiation Gamma rays UV rays Visible light Microwave radiation Gamma rays UV rays ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? Marie Curie J.J Thomson W.C Roentgen James Chadwick Marie Curie J.J Thomson W.C Roentgen James Chadwick ANSWER DOWNLOAD EXAMIANS APP
Physics The odometer guage indicates Frequency of the wave Pitch length The depth of the ocean The distance travelled by a vehicle Frequency of the wave Pitch length The depth of the ocean The distance travelled by a vehicle ANSWER DOWNLOAD EXAMIANS APP
Physics A bomb at rest explodes into a large number of tiny fragments. The total momentum of all the fragments Depends on the total mass of all the fragments Depends on the speeds of various fragments Is infinity Is zero Depends on the total mass of all the fragments Depends on the speeds of various fragments Is infinity Is zero ANSWER DOWNLOAD EXAMIANS APP
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