Science Quiz: Day 12

November 14, 2022

On which of the following Inertia of an object depends ?

(A) Bulk
(B) Size
(C) Shape
(D) Mass

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Answer – D

Which among the following is in action in the process of a liquid rising in the syringe when the piston is pulled up?

(A) Capillary action
(B) Surface tension
(C) Atmospheric pressure
(D) Cohesive forces

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Answer – C

A transition from the solid to gas phase with no intermediate liquid stage is called?

(A) Evaporation
(B) Sublimation
(C) Adsorption
(D) Solid Phase extraction

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Answer – B

First Indian Satellite Aryabhatta was launched in which year ?

(A) 1970
(B) 1972
(C) 1975
(D) 1980

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Answer – C

Which of the following waves can be used to measure the speed of a approaching car?

(A) Light waves
(B) Micro waves
(C) Radio waves
(D) Sound waves

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Answer – C

The Helium atoms that have lost two electrons are called ________?

(A) Alpha rays
(B) Alpha rays
(C) Gamma rays
(D) None of the above

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Answer – A

The inability of a body to change its state of rest or its uniform motion in a straight line is called as ________?

(A) Mass
(B) Weight
(C) Inertia
(D) Friction

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Answer – C

Which among the following is true about latent heat ?

(A) It causes change in temperature as well as change in state or phase
(B) It causes change in temperature only
(C) It causes change in state or phase but not in temperature
(D) It causes change in Pressure

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Answer – C

When light from some sources enters to the earth‘s atmosphere, it gets scattered. Which among the following is a reason behind scattering?

(A) Various wavelengths of light
(B) Dust, smoke and gas molecules
(C) Atmospheric pressure
(D) None of the above

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Answer – B

Which among the following is true regarding Sound Waves?

(A) They are longitudinal waves and material medium is not required for their propagation
(B) They are transverse waves and material medium is required for their propagation
(C) They are longitudinal waves and material medium is required for their propagation
(D) They are transverse waves and material medium is not required for their propagation

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Answer – C

Which among the following defines cohesive force?

(A) The force of attraction acting between the molecules of same material
(B) The force of attraction acting between the molecules of different material
(C) The force of attraction acting between the atoms of same material
(D) None of the above

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Answer – A

Which of the following term denotes the internal reaction force per unit area developed as a result of applied external force ?

(A) Stress
(B) Friction
(C) Moment of Inertia
(D) tension

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Answer – A

The value of acceleration due to gravity is __________?

(A) Minimum at equator and maximum at poles
(B) Maximum at equator and minimum at poles
(C) Equal at poles and equator
(D) None of the above

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Answer – A

Which among the following kinds of glass is used generally in making of the Bullet proof screens?

(A) Pyrex glass
(B) Jena glass
(C) Reinforced Glass
(D) Flint Glass

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Answer – C

The term ―Isopycnic is most closely defined by which among the following?

(A) Two places with same atmospheric pressure
(B) Two liquids with same viscosity
(C) Two liquids with same density
(D) Two places with same temperature

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Answer – C

In which year, Government of India launched the Integrated Guided Missile Development Program?

(A) 1981
(B) 1983
(C) 1990
(D) 1999

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Answer – B

Which among the following is used to listen and record underwater sounds?

(A) Altimeter
(B) SONAR
(C) Hydrophone
(D) RADAR

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Answer – C

Hydraulic Brakes work on which principal?

(A) Pascal‘s Principle
(B) Archimedes Principle
(C) Newton‘s Laws
(D) Cassini’s Laws

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Answer – A

Which among the following lens is used to correct Presbyopia?

(A) Convex
(B) Concave
(C) Bifocal
(D) Cylindrical

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Answer – C

Who among the following is the chairman of Council of Scientific and Industrial Research (CSIR)?

(A) Prime Minister of India
(B) Minister of Science & Technology
(C) Secretary, Department of Technology
(D) None of them

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Answer – A