Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 50 24 36 12 50 24 36 12 ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be: 2 T 8 T 4 T 1 T 2 T 8 T 4 T 1 T ANSWER DOWNLOAD EXAMIANS APP
Physics The reflector of a search light is a : Convex mirror Cylindrical mirror Plane mirror Concave mirror Convex mirror Cylindrical mirror Plane mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. ANSWER DOWNLOAD EXAMIANS APP
Physics In uniform circular motion, the linear velocity is perpendicular to Momentum Radius vector Force Radius Momentum Radius vector Force Radius ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a compound machine? Ramp Knife Bicycle Screw Ramp Knife Bicycle Screw ANSWER DOWNLOAD EXAMIANS APP