Physics The atmospheric layer reflecting radio waves is called Mesosphere Stratosphere Ozonosphere Ionosphere Mesosphere Stratosphere Ozonosphere Ionosphere ANSWER DOWNLOAD EXAMIANS APP
Physics A periscope works on the principle of Refraction Reflection Diffraction Total internal reflection Refraction Reflection Diffraction Total internal reflection ANSWER DOWNLOAD EXAMIANS APP
Physics Which of these is true of all simple machines? Work input > work output Both A & B These make work easier None of these Work input > work output Both A & B These make work easier None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Relative humidity is expressed as Kilograms Ratio Percentage Grams Kilograms Ratio Percentage Grams ANSWER DOWNLOAD EXAMIANS APP
Physics Light from the star, Alpha Centauri, which is nearest to the earth after the sun, reaches the earth in 4.2 seconds 4.2 years 42 seconds 42 years 4.2 seconds 4.2 years 42 seconds 42 years ANSWER DOWNLOAD EXAMIANS APP
Physics The spokes used in the wheel of a bicycle increase its Velocity Moment of inertia Momentum Acceleration Velocity Moment of inertia Momentum Acceleration ANSWER DOWNLOAD EXAMIANS APP
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