Physics/G.K Question and Answer - Physics Set III Sample Test,Sample questions

Question:
An electron possesses a negative charge of:

1.16 * 10-19 C

2.1.60 * 10-19 C

3.26 * 10-19 C

4.1.8 * 10-19 C


Question:
 Powerloom invention is associated with:

1. Devi

2.Johnson Harrison

3.Carl Right

4.Walter Hunt


Question:
 Safety Lamp is a discovery of:

1.K. Onnes

2.H. Devi

3.Fermi

4.L. D Forest


Question:
 The invention of the printing machine is associated with which scientist?

1.Wheeler

2.Robert Mallet

3.Bunsen

4.Kaekstan


Question:
 The invention of  aeroplane is associated with:

1.F.G Otis

2. Edison

3.Right Brothers

4. Grahm Bel


Question:
 What do electricians wear while working with electricity?

1.Rubber handgloves

2.Woollen handgloves

3.Synthetic handgloves

4.Cotton handgloves


Question:
 What is the work done in moving a unit positive charge from infinity to that point in electric field called?

1.Electric potential

2.Potential difference

3. Electric current

4.Electric circuits


Question:
 Which of the following Scientist is affiliated with the invention of the Wireless Telegraphy?

1. Johnson & Johnson

2.Macmillan

3.Compel

4.Marconi


Question:
 Who among the following Scientist invented the gramophone?

1.Anerko Fermi

2.George Stefans

3.Edison

4.Walter Hunt


Question:
 Who among the following Scientist is associated with the invention of the barometer?

1.H. Devi

2.Torricelli

3.William Gas Cogin

4. L.D Forest


Question:
How many electrons taken together make one coulomb?

1.6.25 * 1018 electrons

2.3.25 * 1018 electrons

3.2.25 * 1018 electrons

4.4.25 * 1018 electrons


Question:
How much force does one coulomb of electric charge exerts on an equal charge placed at a distance of one metre from it?

1.9 * 109 Newton

2.10 * 109 Newton

3. 9 * 108 Newton

4.8 * 109 Newton


Question:
Who invented Scooter?

1.G. Brousa

2.Harison & Kaitlin

3.William Gas Cogin

4.None of the above


Question:
Microscope was invented by:

1.Janson & Janson

2. Millikan

3.Soldz

4.Foucalt


Question:
On the basis of electrical resistance, all the substances can be divided into:

1.Good conductors

2.Resistors

3.Insulators

4.All of the above


Question:
One ohm is equal to:

1. 1 volt / 1ampere

2. 1 volt / 1 coulomb

3.1 volt * 1 ampere

4.1 volt * 1 coulomb


Question:
Radioactivity is invented by:

1.Coolidge

2.Faraday

3.H. Becquarel

4.Briggs


Question:
Resistance of a conductor is inversely proportional to:

1.Current

2.Its length

3.Its area of cross-section

4.Potential difference


Question:
Substances through which electricity cannot flow are called:

1.Conductors

2.Insulators

3. Wires

4.Battery


Question:
The invention of Petrol Car is associated with:

1.Janson & Janson

2.John & Johnson

3.Macmillan

4. Karl Benz


Question:
The Scientist is associated with the invention of the Bi-cycle: 

1.Macmillan

2.Dunlop

3.Macmillan

4.Karl Benz


Question:
What happens to the resistance of a wire when its length is doubled?

1.Gets doubled

2. Becomes half

3.Becomes nil

4.None of the above


Question:
What is the SI unit of electric charge?

1.Volt

2.Coulomb

3.Ampere

4.ohm


Question:
What should be present in a substance to make it a conductor of electricity?

1.Strongly held electrons

2.Strongly held protons

3.Free electrons

4.Free protons


Question:
Which of the following are resistors?

1.Silver

2.Copper

3.Aluminium

4.All the above


Question:
Which of the following factors affect resistance of a conductor?

1.Length of conductor

2. Temperature of conductor

3. Material of conductor

4.All of the above


Question:
Which of the following is a conductor of electricity?

1.Silver

2.Copper

3.Aluminium

4.All of the above


Question:
Which of the following is an example of static electricity?

1. Glass rod rubbed with silk cloth

2.Ebonite rod rubbed with wool

3.Lightening in the sky

4.All of the above


Question:
Which of the following is an insulator?

1.Carbon

2.Rubber

3. Silver

4.Copper


Question:
Which of the following scientist invented  the television?

1.J.L Beard

2.Faraday

3.William Gas Cogin

4.Thels


Question:
Which of the following scientist is the inventor of the lift? 

1. F.G Otis

2.Edison

3.William Gas Cogin

4. Einstein


Question:
Which Scientist is associated with the invention of the gas engine?

1.Bunsen

2.Daymlar

3. Compel

4.Morse


Question:
Who among the following scientist invented the Microphone?

1.Einstein

2. Edison

3.John & John

4.Janson & Janson


Question:
Who among the following Scientist is associated with the invention of the refrigerator?

1.G. Brousa

2.Harison & Kaitlin

3.William Gas Cogin

4.Einstein


Question:
Who invented Acetylene Gas?

1. Berthelot

2.Pascal

3.Richard Drew

4.Ohain


Question:
Who invented atomic bomb?

1.Berthelot

2.Pascal

3.Richard Drew

4. J. Robert Oppenheimer


Question:
Who invented The Law of Refraction of Light?

1.Newton

2.Einstein

3.Pascal

4.Alexander Volta


Question:
Who invented the Motor Vehicle?

1. James Watt

2.Edison

3. Parsons

4.Asteen


Question:
Who  is associated with the invention of the helicopter?

1. Johnson & Johnson

2. Bracket

3.George Wasting House

4.Marconi


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