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Saturday, June 19, 2021

National Level E-Quiz on "Everyday Physics"


National Level E-Quiz on "Everyday Physics"

1. Which of the following scientific discoveries was made by Sir C.V Raman? 

Inelastic scattering of light by molecules

Cyclotron

Controlled nuclear fission

Superconductivity

Answer: Inelastic scattering of light by molecules

 

2. Who discovered electrons? 

Sir Isaac Newton

Albert Einstein

J.J. Thomson

J.C. Bose

Answer: J.J. Thomson

 

3. Identify the type of our Milky way galaxy 

Barred spiral

Spiral

Elliptical

Irregular

Answer: Spiral

 

4. Which of the following is the unit of Impulse? 

Ns

Nm

Js

N/s

Answer: Ns

 

 

5. Which one of the following is not a dielectric material 

Oil

Mica

Ebonite

Silver

Answer: Silver

 

6. Natural radioactivity was discovered by 

Ernest Rutherford

Henri Becquerel

Enrico Fermi

Marie Curie

Answer: Henri Becquerel

 

7. Atom bomb works on the principle of 

Nuclear fusion

Newton's law

Nuclear fission

Faraday's law

Answer: Nuclear fusion

 

8. Product of Force and Velocity is called as 

Work

Momentum

Impulse

Power

Answer: Power

 

9. TV and other Remote controlling device are inbuilt source of 

Ultraviolet ray

Gamma ray

X- ray

Infrared ray

Answer: Infrared ray

 

10. The sky appears blue because of 

Scattering of light

Reflection of light

Transmission of light

Refraction of light

Answer: Scattering of light

 

11. Which material used to make electric heater coil? 

Iron

Nichrome

Silver

Copper

Answer: Nichrome

 

12. What is the unit of Astronomical Distance? 

Lux

Light year

Weber

Angstrom

Answer: Light year

 

13. Electric power is measured by 

Ohm

Ampere

Watt

Volt

Answer: Watt

 

14. Who is known as the "Father of modern observational Astronomy"? 

Francis Bacon

Galileo Galilei

Rene Descartes

Archimedes

Answer: Galileo Galilei

 

15. Dynamo is a device for converting 

Chemical energy into Electrical energy

Mechanical energy into Chemical energy

Mechanical energy into Electrical energy

Heat energy into Mechanical energy

Answer: Mechanical energy into Electrical energy

 

16. Which law is also called the law of inertia? 

Newton's First law

Newton's Second law

Newton's Third law

Faraday's law

Answer: Newton's First law

 

17. Which one of the following phenomena shows particle nature of light? 

Interference

Diffraction

Photoelectric effect

Polarization

Answer: Photoelectric effect

 

18. Which of the following quantities does not have unit ? 

Strain

Pressure

Force

Stress

Answer: Strain

 

19. What is the scale used for measuring the intensity of the earthquake? 

Metric Scale

Quake Scale

Richter Scale

Epicentre Scale

Answer: Richter Scale

 

20. Nuclear sizes are expressed in _____________ 

Fermi

Newton

Tesla

Angstrom

Answer: Fermi

 

21. Which of the following is not an amorphous material? 

Plastics

Rubber

Glass

Lead

Answer: Lead

 

22. Mirage is a phenomenon due to 

Total internal reflection of light

Refraction of light

Reflection of light

Diffraction of light

Answer: Total internal reflection of light

 

23. Which of the following is the first calculating device? 

Calculator

Pascaline

Turing machine

Abacus

Answer: Abacus

 

24. When a glass rod is rubbed with silk, it 

Gains electrons from silk

Gains protons from silk

Gives protons to silk

Gives electrons to silk

Answer: Gains protons from silk

 

25. A mobile phone charger is 

an inverter

a UPS

A step-down transformer

A step-up transformer

Answer: A step-down transformer

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