Physics Period of oscillation of 3 cm microwaves in seconds is 1 × 1010 0.01 0.001 1 × 10–10 1 × 1010 0.01 0.001 1 × 10–10 ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicles use ________ to see the objects coming from behind. Convex lens Concave lens Concave mirror Convex mirror Convex lens Concave lens Concave mirror Convex mirror ANSWER DOWNLOAD EXAMIANS APP
Physics If the temperature of a place increases suddenly, the relative humidity Fluctuates Decreases Increases Remains constant Fluctuates Decreases Increases Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics A metal ball and a rubber ball, both having the same mass, strike a wall normally with the same velocity. The rubber ball rebounds and the metal ball does not rebound. It can be concluded that The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum Both suffer the same change in momentum The initial momentum of the rubber ball is greater than that of the metal ball The rubber ball suffers greater change in momentum The metal ball suffers greater change in momentum Both suffer the same change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 50 12 36 24 50 12 36 24 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the shortest wavelength? Microwaves Gamma rays Radio waves Infrared rays Microwaves Gamma rays Radio waves Infrared rays ANSWER DOWNLOAD EXAMIANS APP
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