my rank in srm jee is 27188 can i get ece or cse in main campus of chennai kattankulathur??

The surface of a metal is illuminated alternatively with photons of energies E=4eV and E=2.5eV resp. The ratio of maximum speeds of the photoelectrons emitted is the two cases is 2. The work function of  the metal in eV is ......
Option: 1 2.5
Option: 2 5
Option: 3 7.5
Option: 4 10

A prism of angle has  a refractive index . A good estimate for minimum  angle  of deviation(in degrees) is close to N/10. The value of N is...
Option: 1 5
Option: 2 10
Option: 3 15
Option: 4 20

Nitrogen gas at temp. The temp(in K) at which the rms speed of   molecule would be equal to the rms speed of a nitrogen molecule is (Molar mass of  gas is 28gm).
Upto 2 digit after decimal
Option: 1 40.94
Option: 2 81
Option: 3 32
Option: 4 273

A body of mass 2kg is driven by an engine delivering a constant power of 1J/s. The body starts from rest and moves in a straight line. After 9s, the body has moved a distance (in m)  ......
Option: 1 18
Option: 2 9
Option: 3 27
Option: 4 36

A ring is hung on a nail. It can oscillate without slipping or sliding (i) in its plane with a time period  and (ii) back and forth in a direction perpendicular to its plane with a period  The ratio  will be
Option: 1
Option: 2
Option: 3
Option: 4