Determine traveling of a ball, A ball falling vertically from rest for 3 se...

A ball falling vertically from rest for 3 seconds travels very nearly: a) 14.7 meters b) 29.4 meters c) 44.1 meters d) 88.2 meters Ans: A ball falling ve

Find the potential difference, A particle with a charge of -1.5uC and a mas...

A particle with a charge of -1.5uC and a mass of 2.5x10-6kgis released from rest at point A and accelerates toward point B, Arriving there with a speed of 42m/s. (a) What is the po

Ferrites are which type of material, Ferrites are (A) Ferromagnetic ma...

Ferrites are (A) Ferromagnetic material. (B) Ferrimagnetic materials. (C) Anti ferromagnetic material. (D) Diamagnetic materials. Ans: Ferrites are ferro

Define quartz crystal method to detect ultrasonic waves, Define the use of ...

Define the use of quartz crystal method to detect ultrasonic waves. Quartz crystal method: This method is based onto the principle of Piezo-electric effect. While one pair o

Huygens principle, Huygen's principl e : Huygen's principle states that eve...

Huygen's principl e : Huygen's principle states that every point of a wave front behaves as the source of small secondary wavelets which spread out in all directions with a velocit

How atom was postulated when electrons revolved in orbits, The idea that el...

The idea that electrons revolved in orbits around the nucleus of an atom without radiating energy away from the atom was postulated by: a) Thompson b) Bohr c) Ruther

Atwoods machine, Atwood's machine A weight-and-pulley system is used t...

Atwood's machine A weight-and-pulley system is used to measure the acceleration because of gravity at Earth's surface through measuring the net acceleration of a set of weight

Determine the tension on the nail, A block is placed under the head of the ...

A block is placed under the head of the claw hammer to aid in removing the nail.  The pull on the handle is P39 N, the angle of the hammer to the vertical is P40 and the length of

Manufacturing of transformers, Before manufacturing of transformers we must...

Before manufacturing of transformers we must know the important parts of transformer which need to be manufactured. Following are the main parts of transformers. (a)          Fo

Forces and nature,