Motion in straight line chap 2, #question.1) [chp 2; NC] You drop a superba...

#question.1) [chp 2; NC] You drop a superball from your dormitory window, a height, h=30 m, above the ground. 1 s after this your friend shoots a superball straight upward toward t

Explain insulators, Insulators: Insulators are those substances which d...

Insulators: Insulators are those substances which do not permit to pass electric current by them. e.g. Wood, Plastic, rubber, glass etc

Forces and nature,

to find the time taken by the stone to hit the elevetor, An open platform ...

An open platform elevator is moving down a mine shaft.After the elevator has travelled 25m [from the top of the shaft]a stone is dropped from the top of the shaft .Find time taken

Main features of simple harmonic motion, 1. Particle travels in straight li...

1. Particle travels in straight line and the motion is periodic 2. The acceleration of particle is always proportional to the displacement from the equilibrium position and alwa

Flux, as flux = E.A and flux density is equal to flux/A then why A/A cannot...

as flux = E.A and flux density is equal to flux/A then why A/A cannot e cancelled ?

What is the hardness of water, What is the hardness of water? How is it exp...

What is the hardness of water? How is it expressed? Hardness is the property of water which stops lather formation with soap. This is because of the presence of certain salts o

Explain local electric field, Local electric field : It is the sum of the e...

Local electric field : It is the sum of the electric field from external sources and the field of the dipoles within the specimen. It is an idealized field calculated under particu

Explain minimum uncertainty in its momentum?, Derive the expression for the...

Derive the expression for the distance between the atomic planes such as (100) and (110) planes of the cubic crystals The position and momentum of a 1 keV electron are simultane

Bar magnet, What is magnetic moment of a bar magnet 1. When a bar magn...

What is magnetic moment of a bar magnet 1. When a bar magnet of pole strength (m) and length (2l) is suspended freely in air,it always turns along the magnetic north (N) and S