Physics On a stationary sail boat, air is blown from a fan attached to the boat. The boat moves in opposite direction in which the air is blown does not move spins around moves in the same direction in which air blows moves in opposite direction in which the air is blown does not move spins around moves in the same direction in which air blows ANSWER DOWNLOAD EXAMIANS APP
Physics Why does water tank appear shallower when viewed from the top? Due to total internal reflection Due to reflection Due to refraction Due to diffraction Due to total internal reflection Due to reflection Due to refraction Due to diffraction ANSWER DOWNLOAD EXAMIANS APP
Physics The frequency of ultrasound wave is typically Below 02 kHz Below 20 kHz Above 20,000 kHz Above 20 kHz Below 02 kHz Below 20 kHz Above 20,000 kHz Above 20 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics The spring constant of a spring depends on its Length only Material only Thickness, its diameter and its material Length and its diameter Length only Material only Thickness, its diameter and its material Length and its diameter ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works by the principle of Total internal reflection Diffraction Reflection Refraction Total internal reflection Diffraction Reflection Refraction ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit for measuring work and energy is Watt Farad Ohm Joule Watt Farad Ohm Joule ANSWER DOWNLOAD EXAMIANS APP
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