Tag: physics

Questions Related to physics

Sir C.V.Raman got Nobel Prize in physics for the

  1. refraction of light

  2. reflection of light

  3. scattering of light

  4. dispersion of light


Correct Option: C
Explanation:

Sir C.V.Raman got Nobel Prize for Raman effect, which deals with scattering of light.

Pick out the correct statement about the strong nuclear force from the following.
$S1$ : It is charge independent.
$S2$ : It is the strongest force in nature.
$S3$ : Its range is very large.
$S4$ : It is responsible for the stability of nuclei.

  1. $S1 and S3$

  2. $S1, S2 and S3$

  3. $S1, S2 and S4$

  4. $S2 and S3$


Correct Option: C
Explanation:
its charge is independent.
it is responsible for the stability of nuclei
The range of strong nuclear force is very small, of about nuclear dimensions $(10^{-15}m)$.

Which of the following statements is incorrect. ?

  1. Bohr gave theory of hydrogen atom and Yukawa, the theory of nuclear forces.

  2. Law of gravitation was discovered by Newton and principle of inertia by Galileo

  3. Laws of photoelectric effect were discovered by Einstein and laws of electromagnetic induction by Faraday.

  4. Neutron was discovered by J.J.Thomson and electron was discovered by James Chadwick.


Correct Option: D
Explanation:

Neutron was discovered by James Chadwick and electron was discovered by J.J.Thomson.

Which of the following Indian scientists is known for his achievements in Mathematics?

  1. Jagadish Chandra Bose

  2. Srinivasa Ramanujan

  3. Vikram Sarabhai

  4. Salim Ali


Correct Option: B
Explanation:

Srinivas Ramanujan is known for his great achievements in the field of Mathematics.

he made substantial contributions to mathematical analysis, number theory, 
infinite series, and continued fractions, including solutions to mathematical problems then considered unsolvable

NASA telescopes have spotted which cosmic bodies making massive planets on 3 distant solar systems?

  1. Dwarf stars

  2. Moons

  3. Comets

  4. Asteroids


Correct Option: C

Which Indian scientist is popularly known as missile man of India? 

  1. Dr. A. P. J. Abdul Kalam

  2. Dr. C .V. Raman

  3. Dr. Har Gobind Khorana

  4. None of the above


Correct Option: A

Which Indian scientist won the Nobel Prize in 1968 for demonstrating how the nucleotides in nucleic acids control the synthesis of proteins?

  1. Satyendra Nath Bose

  2. A.P.J. Abdul Kalam

  3. S.S. Abhyankar

  4. Har Gobind Khorana


Correct Option: D

Marie Curie is credited to the development of which of the following element ?

  1. Thorium

  2. Cesium

  3. Radium

  4. Carbon


Correct Option: C
Explanation:

Marie Curie and Pierre Curie discovered the element radium.  Thorium is discovered by Jons Jacob Berzellius. Robert Bunsen and Gustav Kirchhoff  discovered Cesium and Carbon is recognized as an element by Antoine Lavoisier.    

Which planet was discovered by NASA's MAVEN to have a twisted magnetic tail? 

  1. Venus

  2. Mars

  3. Saturn

  4. Neptune


Correct Option: B

Which subatomic particle is named after the Indian scientist  Dr. Bose?

  1. Boson

  2. Boron

  3. Positron

  4. B meson


Correct Option: A