Physics What type of simple machine is an axe? Both A & B Wedge The screw Lever Both A & B Wedge The screw Lever ANSWER DOWNLOAD EXAMIANS APP
Physics A mirage occurs because of Total internal reflection by layers of air Diffraction of light Reflection by hot ground Interference of light Total internal reflection by layers of air Diffraction of light Reflection by hot ground Interference of light ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the longest wavelength? Visible radiation Ultraviolet radiation Infrared radiation X-ray radiation Visible radiation Ultraviolet radiation Infrared radiation X-ray radiation ANSWER DOWNLOAD EXAMIANS APP
Physics A person lifts luggage of 20 kg from the ground and puts it on his head 2m above the ground. Calculate the work done by him. (g = 10 ) 20 J 200J 40J 400J 20 J 200J 40J 400J ANSWER DOWNLOAD EXAMIANS APP
Physics A boy is swinging a ball attached to a string in a horizontal circle. If the string snaps The ball will travel towards the center of the circle and fall down It will fall down at the same place where the string breaks None of these It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down The ball will travel towards the center of the circle and fall down It will fall down at the same place where the string breaks None of these It will continue to travel along a tangent to the circle at the point the ball was at the time of snapping and finally fall down ANSWER DOWNLOAD EXAMIANS APP
Physics Eclipses occur due to which optical phenomena? Reflection Rectilinear propagation Refraction Diffraction Reflection Rectilinear propagation Refraction Diffraction ANSWER DOWNLOAD EXAMIANS APP
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