Specific heats of gases, Specific heat of a gas is numerically equivalent t...

Specific heat of a gas is numerically equivalent to the amount of heat essential to raise the temperature of unit mass of gas by 1 0 C. In order to raise the temperature of unit ma

Friction, A thin rod of length 1 m is fixed in a vertical position inside a...

A thin rod of length 1 m is fixed in a vertical position inside a train, which is moving horizontally with constant acceleration 4 m/s2. A bead can slide on the rod, and friction

Forces and nature,

Equipotential surface, prove that equatorial line of dipole acts as equipot...

prove that equatorial line of dipole acts as equipotential surface

What is friction - work and energy, what is Friction When we think about ...

what is Friction When we think about friction, there is one more place for energy to go - heat. When you push a book across a table, does the energy of the book change? Not if in

Determine the tension in the cable, The tree needs to fall uphill even thou...

The tree needs to fall uphill even though it is leaning downhill.  The felling notch at O is sufficiently large so that the resisting moment at O is negligible.  The trunk above po

Explain radio isotopes, What are radiation hazards? Mention four safety mea...

What are radiation hazards? Mention four safety measures which should be taken against radioactive radiation.  OR Explain radio isotopes? Write their any four uses. Descri

Determine collision, Ball A, with a mass of 0.20 kg, strikes ball B, with a...

Ball A, with a mass of 0.20 kg, strikes ball B, with a mass of 0.30 kg. The initial velocity of ball A is 0.95 m/s. Ball B is initially at rest. What are the final speed an

Are there different type of slide emitting fibers, Are there different type...

Are there different type of slide emitting fibers? Nowadays some types of side emitting fibers are marketed. Several most common given as follows: Solid core optics

Heat transfer, what condition is necessary for heat transfer occur

what condition is necessary for heat transfer occur