The distance covered by a body in time t starting from rest is__________________? April 17, 2025 by admin A. at2/2 B. Vt C. a2t/2 D. at2
The trajectory (or path) of a projectile is_________________? April 17, 2025 by admin A. straight line B. parabola C. hyperbola D. circle
The force beared by a wall on which water strikes normally at a speed of 10m/sec and at a discharge of 0.0001m3/sec is__________________? April 17, 2025 by admin A. 1 N B. 10 N C. 100 N D. none
The range of the projectile at 30 deg and 60 deg are__________________? April 17, 2025 by admin A. equal to 45 deg B. equal to 90 deg C. equal to each other D. none of the above
Waves transmit ________________ from one place to another? April 17, 2025 by admin A. energy B. mass C. both D. none
The distance between any two consecutive crests or troughs is called____________________? April 17, 2025 by admin A. frequency B. period C. Wave length D. phase difference
In vibrating cord the points where the amplitude is maximum, are called ___________________? April 17, 2025 by admin A. antinodes B. nodes C. troughs D. crests
A stationary wave is set up in the air column of a closed pipe. At the closes end of the pipe _____________________? April 17, 2025 by admin A. always an node in formed B. always an antinode is formed C. neither node nor antinode is formed D. sometimes a node and sometimes an antinode is formed
According to Newton sound travel in air under the conditions of_____________________? April 17, 2025 by admin A. adiabatic B. isothermal C. isobaric D. isochoric
Velocity of sound in vacuum is ____________________? April 17, 2025 by admin A. 332 ms-1 B. 320 ms-1 C. Zero D. 224 ms-1