Physics Red light is used for signals because it has Long wavelength High intensity Low refraction in the medium High frequency Long wavelength High intensity Low refraction in the medium High frequency ANSWER DOWNLOAD EXAMIANS APP
Physics One light year is equal to 2 trillion miles 6 trillion miles 8 trillion miles 9 trillion miles 2 trillion miles 6 trillion miles 8 trillion miles 9 trillion miles ANSWER DOWNLOAD EXAMIANS APP
Physics Super conductors are substances that Conduct electricity at low temperature Conduct electricity at high temperature Offer minimum resistance to flow of electric current Offer high resistance to the flow of electric current Conduct electricity at low temperature Conduct electricity at high temperature Offer minimum resistance to flow of electric current Offer high resistance to the flow of electric current ANSWER DOWNLOAD EXAMIANS APP
Physics When an unbalanced force acts on an object All of these Causes change in motion of the object The speed & direction of the object will change Causes the object to move All of these Causes change in motion of the object The speed & direction of the object will change Causes the object to move ANSWER DOWNLOAD EXAMIANS APP
Physics A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/s2) 400 J 0 J 200 J 100 J 400 J 0 J 200 J 100 J ANSWER DOWNLOAD EXAMIANS APP
Physics When a barometer reading suddenly recedes, it indicates that climate– Will be extremely stormy Will be very warm Will remain cold Incessant rain for at least 48 Will be extremely stormy Will be very warm Will remain cold Incessant rain for at least 48 ANSWER DOWNLOAD EXAMIANS APP