NEET questions
18092 published questions with worked solutions.
- A body of weight 72 N moves from the surface of earth at a height half of the radius of the earth, then gravitational force...
- Rainbow is formed due to :
- For a plano convex lens ( = 1.5) has radius of curvature 10 cm. It is silvered on its plane surface. Find focal length after...
- By photo electric effect, Einstein proved :
- Maximum frequency of emission is obtained for the transition :
- For a hollow cylinder & a solid cylinder rolling without slipping on an inclined plane, then which of these reaches earlier on...
- To find out degree of freedom, the correct expression is :
- The frequency order of for - rays (b), X - rays (a), UV - rays (c) :
- The width of river is 1 km. The velocity of boat is 5 km/hr. The boat covered the width of river with shortest possible path in...
- A charge Q is situated at the corner of a cube, the electric flux passed through all the six faces of the cube is :
- A charge having q/m equal to 10^8 C/kg and with velocity 3 10^5 m/s enters into a uniform magnetic field B = 0.3 tesla at an...
- Two stationary sources each emitting waves of wavelength . An observer moves from one source to other with velocity u. Then...
- A string is cut into three parts, having fundamental frequencies n_1, n_2 and n_3 respectively. Then original fundamental...
- The equations of two waves given as x = a ( t + ) and y = a ( t + ), where = + /2, then resultant wave represent :
- The relation between and T_ 1/2 is : (T_ 1/2 = half life, decay constant)
- The ratio (W/Q) for a carnot - engine is 1 6 . Now the temp. of sink is reduced by 62^ C , then this ratio becomes twice,...
- The bob of simple pendulum having length , is displaced from mean position to an angular position with respect to vertical. If it...
- If F = (60 i + 15 j - 3 k ) N and V = (2 i - 4 j + 5 k ) m/s , then instantaneous power is :
- Two spherical bobs of masses M_A and M_B are hung vertically from two strings of length _A and _B respectively. They are...
- Nuclear - Fission is best explained by :