IIT-JEE 1992 | Structure of Atom Question 61 | Chemistry

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

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 1989

MCQ (Single Correct Answer)

-0.25

The correct set of quantum numbers for the unpaired electron of chlorine atom is

n = 2, l = 1, m = 0

n = 2, l = 1, m = 1

n = 3, l = 1, m = 1

n = 3, l = 0, m = 0

IIT-JEE 1989

MCQ (Single Correct Answer)

-0.25

The correct ground state electronic configuration of chromium atom is

[Ar] 3d⁵ 4s¹

[Ar] 3d⁴ 4s²

[Ar] 3d⁶ 4s⁰

[Ar] 4d⁵ 4s¹

JEE Advanced Subjects