Physics The focal length of a concave mirror with a radius of curvature of 20.0 cm is : 20 cm 10 cm 15 cm 5 cm 20 cm 10 cm 15 cm 5 cm ANSWER DOWNLOAD EXAMIANS APP
Physics A person can jump higher on the moon's surface than on the earth because : The moon has no atmosphere The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough The moon is cooler than earth The moon has no atmosphere The acceleration due to gravity in moon is smaller than that on the earth. The moon's surface is rough The moon is cooler than earth ANSWER DOWNLOAD EXAMIANS APP
Physics Acceleration is Inversely proportional to mass Directly proportional to mass Directly proportional to force Inversely proportional to force Inversely proportional to mass Directly proportional to mass Directly proportional to force Inversely proportional to force ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning is produced when Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities Water vapour produces electricity in the clouds Similar charges of electricity rush towards each other and then get repelled Strong opposite charges in different clouds break down the resistance offered by the intervening air Clouds strike against impurities in air and the friction burns up these impurities ANSWER DOWNLOAD EXAMIANS APP
Physics Convex mirrors are used as a rear view mirror in motor cycles because It forms smaller image as compared with object All of these It forms real image It forms erect (upright) image It forms smaller image as compared with object All of these It forms real image It forms erect (upright) image ANSWER DOWNLOAD EXAMIANS APP
Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 W 1568 N 1568 J 1568 C 1568 W 1568 N 1568 J 1568 C ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS