A. 84400m B. 69000m C. 61440m D. 24000m Correct Answer: Option C C. 61440m Explanation Time of flight, T =…
A. 2.56cm B. 2.25cm C. 2.50cm D. 2.05cm Correct Answer: Option A A. 2.56cm Explanation Meter rule has a reading…
A. an increase in the kinetic energy of the body B. an increase in the potential energy of the body…
A. 164N B. 160N C. 158N D. 172N Correct Answer: Option B B. 160N Explanation ω = 2πF = 2π…
A. decreased B. increased C. unchanged D. oscillating Correct Answer: Option A A. decreased Explanation In unstable equilibrium, potential energy…
A. equipotential energy B. maximum potential energy C. minimum potential energy D. maximum kinetic energy Correct Answer: Option C C.…
A. 0.05kg B. 0.20kg C. 0.80kg D. 1.00kg Correct Answer: Option A A. 0.05kg Explanation Mr (90 - 50) =…
A. 20 m/s B. 30 m/s C. 40 m/s D. 50 m/s Correct Answer: Option C C. 40 m/s Explanation…
A. receives from our eyes B. disperses C. absorbed D. reflect Correct Answer: Option D D. reflect Explanation Colours presented…
A. meter rule B. measuring cylinder C. vernier caliper D. micrometer screw gauge Correct Answer: Option B B. measuring cylinder…