IIT-JEE 1996 | Structure of Atom Question 49 | Chemistry

IIT-JEE 1996

MCQ (Single Correct Answer)

-0.25

The orbital angular momentum of an electron in 2s orbital is

$$ + {1 \over 2}.{h \over {2\pi }}$$

Zero

$${h \over {2\pi }}$$

$$\sqrt 2 .{h \over {2\pi }}$$

IIT-JEE 1995 Screening

MCQ (Single Correct Answer)

-0.25

A 3p orbital has

two non spherical nodes

two spherical nodes

one spherical and one non spherical node

one spherical and two non spherical nodes

IIT-JEE 1992

MCQ (Single Correct Answer)

-0.25

Which of the following does not characterise X-rays?

The radiation can ionise gases

It causes ZnS to fluorescence

Deflected by electric and magnetic fields

Have wavelengths shorter than ultraviolet rays

IIT-JEE 1992

MCQ (Single Correct Answer)

-0.25

Which of the following relates to photons both as wave motion and as a stream of particles?

Inference

E = mc²

Diffraction

E = hv

JEE Advanced Subjects