NEET 2013

Instructions

For the following questions answer them individually

Question 101

Ratio of longest wave lengths corresponding to Lymanand Balmerseries in hydrogen spectrum is :

Video Solution
Question 102

A current loop in a magnetic field :

Video Solution
Question 103

A, Band C are three points in a uniform electric field. The electric potential is :

Video Solution
Question 104

A rod PQ of mass M and length L is hinged at end P. The rod is kept horizontal by a mass less string tied to point Q as shown in figure. When string is cut, the initial angular acceleration of the rod is :

Video Solution
Question 105

A wire of resistance 4 2 is stretched to twice its original length. The resistance of stretched wire would be:

Video Solution
Question 106

The velocity of a projectile at the intial point A is $$(2 \hat{i}+3\hat{j})$$ $$\frac{m}{s}$$.Its velocity (in $$\frac{m}{s}$$) at the point B is.

Video Solution
Question 107

A body of mass m is taken from the earth surface to the height equal to twice the radius (R) of the earth .The change in potential energy of the body will be

Video Solution
Question 108

A stone falls freely under gravity.It covers distances $$h_{1},h_{2},h_{3}$$ in the first five seconds ,the next five seconds and the next 5 seconds respectively .The relation between $$h_{1},h_{2}$$ and $$h_{3}$$ is:

Video Solution
Question 109

A bar magnet of length ‘l’ and magnetic dipole moment ’M’ is bent in the form of an arc as shown in figure. The new magnetic dipole moment will be :

Video Solution
Question 110

The internal resistance of a 2.1 V cell which gives a current of 0.2 A through a resistance of 10 Ω is:

Video Solution
cracku

Boost your Prep!

Download App