Physics What is the wavelength of visible spectrum ? 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 7800 A° – 8000 A° 1300 A°–3000 A° 8500 A° – 9800 A° ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Amplitude Frequency Velocity Wavelength Amplitude Frequency Velocity Wavelength ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following game, players must have the knowledge of Pascal's law? Scuba diving Paragliding Climbing Rafting Scuba diving Paragliding Climbing Rafting ANSWER DOWNLOAD EXAMIANS APP
Physics During the motion of a projectile fired from the earth surface, ________ Its momentum remains constant Vertical component of its velocity remains constant Horizontal component of its velocity remains constant Its kinetic energy remains constant Its momentum remains constant Vertical component of its velocity remains constant Horizontal component of its velocity remains constant Its kinetic energy remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics To prevent damage from lightning, lightning conductors are used on tall structures. The lightning conductor Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Can be of any shape Should be made of a good conductor like copper with sharp-pointed edges Should be in the form of a vertical rod Should be made of a good conductor but can be of any shape Can be of any shape ANSWER DOWNLOAD EXAMIANS APP
Physics Who was the first scientist to discover Electrons? Albert Einstein Isaac Newton J.C. Bose J.J Thompson Albert Einstein Isaac Newton J.C. Bose J.J Thompson ANSWER DOWNLOAD EXAMIANS APP
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