61.

62.

64.

67.

A particle moving with velocity 'V' collides with another particle of the same mass which is at
rest. The velocity of centre of mass after the collision is :

(ക 2v ® ए
(0) ಕ (9) V42

17 case of friction between two 0೧೮108 :
(ಗ) rolling friction > static friction > kinetic friction
(B) static friction < kinetic friction < rolling friction
(0) kinetic friction> rolling friction> statie friction
(D) static friction> kinetic friction> rolling friction

Consider the following statements. A particle executing uniform circular motion has :

(1) tangential velocity (2) radial acceleration
(8) tangential acceleration (4) radial velocity

Of these statements

(8) 1and 2 are correct. (B) 1and 3 are correct
(0 2and 4 are correct (D) 3 and 4 are correct

The escape velocity on the surface of the earth is V,. If M and R are the mass and radius of

the earth respectively, then the escape velocity on another planet of mass 2M and radius
R/2 will be :

ക്ര 41% (®) 2V,
© o 2
The Lagrange's equations can be written as :
aL oL aL 0
^) ‏ل و رم خب ا‎ e el
(ಗಿ) व ^ व ¢ 24 0
d | 8L aL d| 8L oL
டர 0
© ஐ 89, @ “ಖಿ 7
The value of wavelength for a beam of 150 volt-electron is :
കു 084. (फ 1.04
© 15% (0) 16.0%

The thermonuclear fusion of hydrogen inside the stars is taking place by a cycle of
operations, The particular element which acts as a catalyst, is :

(ಗಿ) nitrogen (B) oxygen

(ಲ) carbon (1)) helium

9 711/2014
(0.1.0.]