## A question from maths

There are six points in a plane. The largest distence between two points is D and smallest distence is d. Find the ratio D/d.

## A Question based on Gauss Law

A circular ring of radius r made of a nonconducting material is placed with its axis is parallel to a uniform electric field if the ring rotated by 180 degrees Does the flux changes? A Q charge is uniformly

## An Idea on UltraSonics

Sarin John Skaria Asked:

“We know that a kidney stone is broken down by using ultrasound waves.now think about creating a machine which can produce a large no.of ultrasound waves in an instance . it

## A Question based on Pulleys

In a single fixed pulley the velocity ratio is always more than mechanical advantage. Why?

## Questions received via chat interface

1. Why the magnetic field lines do not intersect
2. How contact force is related  with physical pendulum?

## Some question asked earlier by students

1. TWO IDENTICAL CONDUCTING SPHERES ‘A’ & ‘B’ CARRY EQUAL CHARGES. THEY ARE INITIALLY SEPARATED BY A DISTANCE MUCH  LARGER THAN THEIR DIAMETERS AND THE FORCE BETWEEN

## A Question from Heat and Thermodynamics

A thermo stated chamber at a height ‘h’ above the earth’s surface and maintained at 30 degree Celsius has a clock fitted with an uncompensated pendulum. The maker of the clock for the chamber