Email

Chat with tutors

Login

Ask Questions, Get Answers

Menu X

home ask tuition questions practice papers mobile tutors pricing

X

Recent questions tagged past paper

The de - Brogile wave length of a neutron in thermal equilibrium with heavy water at a temperature T and mass m , is

asked Oct 7, 2017 by meena.p

0 answers

A 250 N turn rectangular coil of length $2.1\;cm$ and width $1.25\;cm$ carries a current of $85 \mu A$ and subjected to magnetic field of strength $0.85\;T$ Work done for rotating the coil by $180^{\circ}$ against the torque is :

asked Oct 7, 2017 by meena.p

0 answers

A U tube with both ends open to the atmosphere, is partially filled rvith u,ater. Oil, which is imeriscible with water, is poured into one side until itstands at a distance of 10 mtrr above the water level on the other side. Meanwhile the water rises by $65\; mm$ from its original level (see diagram). The density of the oil is :

asked Oct 7, 2017 by meena.p

0 answers

Radioactive material 'A' has decay constant $8 \lambda$ and material 'B' has decay constant $\lambda$. Initially they have same number of nuclei. After what time, the ratio of number of nuclei of material 'B' to that 'A' will be $\large\frac{1}{e} $?

asked Oct 7, 2017 by meena.p

0 answers

A gas mixture consists of 2 moles of O, and 4 moles of Ar at temperature T. Neglecting all vibrational modes, the totalintemal energv of l.he system is :

asked Oct 7, 2017 by meena.p

0 answers

A potentiometer is an accurate and versatile device to make elechical measurements of E.M.F. because the method involves :

asked Oct 7, 2017 by meena.p

0 answers

Page:

« prev
1
2
3

Feedback Terms Facebook Twitter About Us

Your payment for is successful.

...