Chapter 1
PHYSICAL WORLD
1.Which scientific principle is electric genarator based on
(a) Bernoulli's principle
(b) Thermodynamics
(c)Faraday's Law of electromagnetic induction
(d)propagation of electromagnetic waves
Ans:- Faraday's law of electromagnetic waves
2.The most incomprehensible thing about the world is that comprehensible. Who made the above
Ans:- Einstien
3.Einstien was awarded Nobel prize for theory of relativity .state whether this
Statement is true or false
Ans:- False,Einstein was awarded Nobel prize for photoelectic effect
4. ............(Geology, Astronomy)branch of science .which deals with the study of
Earth
Ans:- Geology
5.which of the following is not a branch of physics
(a) mechanics
(b) statistics
(c) Dynamics
(d) optics
Ans:-statistics
6.select the relative words of the blank planets: sun:: Moon : ............
(a) satellite
(b) Univers
(c) Earth
(d) Mass
Ams:- Earth
7. Choose the correctly matched pair from the following
(a) Universe law of gravitation:- Einstein
(b) Theory of relativity:- sir Issac Newton
(c) wave theory:- Huygens
Ans:- wave theory:- Huygens
8. Name that branch of science which deals with the study of stars
Ans:-Astronomy
9.V Raman got Noble prize for his discovery about
(a) Ultrasonic
(b)Molecular spectra
(c) Theory of vision
(d) Theory of vibration is musical instrument
Ans:-Molicular spectra
10.Who gave universal law of gravitation
(a) Einstein
(b) Sir issac Newton
(c) Galileo
(d) J.D van der walls
Ans :- Sir issac Newton
11.Name the three conservation Laws from Nature
1. Law of conservation of energy
2. Law of conservation of momentum
3. Law of conservation of angular momentum
12. There are four basic forces that operate
In nature
(a) out of the four fundamental forces. Which is weakest?
(b)which force is strongest?
Ans. (a) Gravitational force
(b)strong nuclear force
13. (a) Name three conservation Law from nature
(b)Name four fundamental forces in nature
Ans.(a)Three important Laws of conservation from nature are
1.Law of conservation of energy
2.Law of conservation of momentum
3.Law of conservation of angular momentum
(b). 1.Gravitational force
2.Electromagnetic force
3.weak nuclear force
4.strong nuclear force
14.What is weak nuclear force ?
Ans. The weak nuclear force is not as weak as the gravitational force.But macht weaker than the strong nuclear and electromagnetic force.The range of weak nuclear force is exactly small ,of the order of 10 -16 m
15.How is the conservation of angular momentum related to the symmetric of the nature?
Ans.Isotropy of space gives rise to the law of conservation of angular momentum
Thank you for visiting my website..
PHYSICAL WORLD
1.Which scientific principle is electric genarator based on
(a) Bernoulli's principle
(b) Thermodynamics
(c)Faraday's Law of electromagnetic induction
(d)propagation of electromagnetic waves
Ans:- Faraday's law of electromagnetic waves
2.The most incomprehensible thing about the world is that comprehensible. Who made the above
Ans:- Einstien
3.Einstien was awarded Nobel prize for theory of relativity .state whether this
Statement is true or false
Ans:- False,Einstein was awarded Nobel prize for photoelectic effect
4. ............(Geology, Astronomy)branch of science .which deals with the study of
Earth
Ans:- Geology
5.which of the following is not a branch of physics
(a) mechanics
(b) statistics
(c) Dynamics
(d) optics
Ans:-statistics
6.select the relative words of the blank planets: sun:: Moon : ............
(a) satellite
(b) Univers
(c) Earth
(d) Mass
Ams:- Earth
7. Choose the correctly matched pair from the following
(a) Universe law of gravitation:- Einstein
(b) Theory of relativity:- sir Issac Newton
(c) wave theory:- Huygens
Ans:- wave theory:- Huygens
8. Name that branch of science which deals with the study of stars
Ans:-Astronomy
9.V Raman got Noble prize for his discovery about
(a) Ultrasonic
(b)Molecular spectra
(c) Theory of vision
(d) Theory of vibration is musical instrument
Ans:-Molicular spectra
10.Who gave universal law of gravitation
(a) Einstein
(b) Sir issac Newton
(c) Galileo
(d) J.D van der walls
Ans :- Sir issac Newton
11.Name the three conservation Laws from Nature
1. Law of conservation of energy
2. Law of conservation of momentum
3. Law of conservation of angular momentum
12. There are four basic forces that operate
In nature
(a) out of the four fundamental forces. Which is weakest?
(b)which force is strongest?
Ans. (a) Gravitational force
(b)strong nuclear force
13. (a) Name three conservation Law from nature
(b)Name four fundamental forces in nature
Ans.(a)Three important Laws of conservation from nature are
1.Law of conservation of energy
2.Law of conservation of momentum
3.Law of conservation of angular momentum
(b). 1.Gravitational force
2.Electromagnetic force
3.weak nuclear force
4.strong nuclear force
14.What is weak nuclear force ?
Ans. The weak nuclear force is not as weak as the gravitational force.But macht weaker than the strong nuclear and electromagnetic force.The range of weak nuclear force is exactly small ,of the order of 10 -16 m
15.How is the conservation of angular momentum related to the symmetric of the nature?
Ans.Isotropy of space gives rise to the law of conservation of angular momentum
Thank you for visiting my website..
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