Newton’s first law of motion gives the concept of _________? April 17, 2025 by admin A. Energy B. Work C. Inertia D. Momentum
In addition to the daughter nucleus and an electron or positron, the products of a beta decay April 17, 2025 by admin A. Neutrons B. Neutrino C. Alpha particle D. Proton
Frequency is the inverse of __________? April 17, 2025 by admin A. Velocity B. Stress C. Time Period D. GravityFrequency and period are the inverse of each other!
Field particle of Electromagnetic interaction is _________? April 17, 2025 by admin A. Photon B. Meson C. Vector Boson D. Graviton
A ball of mass 0.2 kg is thrown vertically upwards by applying a force by hand. If the hand moves 0.2 m while applying the force and the ball goes up to 2 in height further, find the magnitude of the force. Consider g = 10m/s 2 April 17, 2025 by admin A. 22N B. 16N C. 20N D. 4NMass ,m=0.2kg Total height, h=0.2+2=2.2m Work done =Difference in…
A body is falling freely under gravity. How much distance it falls during an interval of time between 1st and 2nd seconds of its motion, taking g=10 ? April 17, 2025 by admin A. 15 m B. 20 m C. 5 m D. 25 m answer is 15 m S=ut+1/2gt^2 u=0 ,g…
If the momentum of an object is increased twice, then what will be the kinetic energy? April 17, 2025 by admin A. Twice B. Thrice C. Four times D. Sixteen times
The back emf of a motor which is just started is_________? April 17, 2025 by admin A. Zero B. Maximum C. Minimum D. Optimum
The light used in optical fiber transmission is________? April 17, 2025 by admin A. Dichromatic B. Monochromatic C. Pentachromatic D. None of these