AIIMS 2019 | Structure of Atom Question 1 | Chemistry

A bulb is emitted electromagnetic radiation of $$660 \mathrm{~nm}$$ wavelength. The total energy of radiation is $$3 \times 10^{-18} \mathrm{~J}$$. The number of emitted photon will be

$$\left(h=6.6 \times 10^{-34}\right) \mathrm{J} \times \mathrm{s}, c=3 \times 10^8 \mathrm{~m} / \mathrm{s}$$

100

1000

AIIMS 2019

MCQ (Single Correct Answer)

-0.33

Assertion : The chemical properties of different isotope are same.

Reason : Isotopes having same number of neutron.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true, but reason is not the correct explanation of assertion.

If assertion is true, but reason is false.

If both assertion and reason are false.

AIIMS 2018

MCQ (Single Correct Answer)

-0.33

The work function of a metal is $$4.2 \mathrm{~eV}$$. If radiation of 2000 $$\mathop A\limits^o$$ fall on the metal then the kinetic energy of the fastest photoelectron is

$$1.6 \times 10^{-19} \mathrm{~J}$$

$$16 \times 10^{-10} \mathrm{~J}$$

$$3.2 \times 10^{-19} \mathrm{~J}$$

$$6.4 \times 10^{-10} \mathrm{~J}$$

Questions Asked from MCQ (Single Correct Answer)

AIIMS 2019 (2) AIIMS 2018 (1)

AIIMS Subjects

Biology

Zoology

Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Evolution