Physics In the absence of ozone layer, which rays will enter into atmosphere? Visible Infrared X-rays Ultraviolet Visible Infrared X-rays Ultraviolet ANSWER DOWNLOAD EXAMIANS APP
Physics What is the wavelength of visible spectrum ? 8500 A° – 9800 A° 3900 A° – 7600 A° 1300 A°–3000 A° 7800 A° – 8000 A° 8500 A° – 9800 A° 3900 A° – 7600 A° 1300 A°–3000 A° 7800 A° – 8000 A° ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. the intensity of light emitted by them changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the distance of the stars from the earth changes with time. ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity required to place a vehicle in orbit around the moon is ________ that required to place it in orbit round the earth. Equal to Greater than Less than Greater than or equal to Equal to Greater than Less than Greater than or equal to ANSWER DOWNLOAD EXAMIANS APP
Physics Soap bubble attains spherical shape due to ________ Surface tension Viscosity Inertia Pressure Surface tension Viscosity Inertia Pressure ANSWER DOWNLOAD EXAMIANS APP
Physics Full form of CFL used in place of electric bulbs is Closed fluorescent lamp Constantan filament lamp Closed filament lamp Compact fluorescent lamp Closed fluorescent lamp Constantan filament lamp Closed filament lamp Compact fluorescent lamp ANSWER DOWNLOAD EXAMIANS APP
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