1

JEE Advanced 2013 (Offline)

Numerical
The atomic masses of He and Ne are 4 and 20 a.m.u., respectively. The value of the de Broglie wavelength of He gas at –73oC is “M” times that of the de Broglie wavelength of Ne at 727oC. M is
Your Input ________

Answer

Correct Answer is 5
2

IIT-JEE 2011

Numerical
The work function ( φ ) of some metals is listed below. The number of metals which will show photoelectric effect when light of 300 nm wavelength falls on the metal is
Metal Li Na K Mg Cu Ag Fe Pt W
Ф (eV) 2.4 2.3 2.2 3.7 4.8 4.3 4.7 6.3 4.75
Your Input ________

Answer

Correct Answer is 4
3

IIT-JEE 2011

Numerical
The maximum number of electrons that can have principal quantum number, n = 3, and spin quantum number, ms = − 1/2 , is
Your Input ________

Answer

Correct Answer is 9
4

IIT-JEE 1994

Numerical
Find out the number of waves made by a Bohr electron in once complete revolution in its 3rd orbit?
Your Input ________

Answer

Correct Answer is 3

Joint Entrance Examination

JEE Advanced JEE Main

Graduate Aptitude Test in Engineering

GATE CSE GATE EE GATE ECE GATE ME GATE CE GATE PI GATE IN

Medical

NEET

CBSE

Class 12