Physics Why does a cannon recoil after firing ? Conservation of energy Newton's first law of motion Newton's third law of motion Backward thrust of gases produced Conservation of energy Newton's first law of motion Newton's third law of motion Backward thrust of gases produced ANSWER DOWNLOAD EXAMIANS APP
Physics The word "Physics" comes from the Greek word Fusis Phusik None of these Phiji Fusis Phusik None of these Phiji ANSWER DOWNLOAD EXAMIANS APP
Physics Calculate the time period (in seconds) of a sound wave of wavelength 4m traveling with a speed of 500m/s 2000 0.008 1000 0.016 2000 0.008 1000 0.016 ANSWER DOWNLOAD EXAMIANS APP
Physics Good conductor of electricity is Dry air Graphite Paper Kerosene Dry air Graphite Paper Kerosene ANSWER DOWNLOAD EXAMIANS APP
Physics The damage of the human body due to radiation (X-rays or grays etc,) is measured in : Roentgen Rads Curie Rems Roentgen Rads Curie Rems ANSWER DOWNLOAD EXAMIANS APP
Physics During the motion of a projectile fired from the earth surface, ________ Horizontal component of its velocity remains constant Its kinetic energy remains constant Vertical component of its velocity remains constant Its momentum remains constant Horizontal component of its velocity remains constant Its kinetic energy remains constant Vertical component of its velocity remains constant Its momentum remains constant ANSWER DOWNLOAD EXAMIANS APP
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