Physics Part 1 Online Quiz

Following quiz provides Multiple Choice Questions (MCQs) related to Physics. You will have to read all the given answers and click over the correct answer. If you are not sure about the answer then you can check the answer using Show Answer button. You can use Next Quiz button to check new set of questions in the quiz.

Q 1 - Rainbow forms because of

Answer : D

Explanation

N/A

Q 2 - The image formed by plane mirror is

Answer : B

Explanation

Virtual image is formed in location where light does not actually reach.

Q 3 - Who had invented Radar?

Answer : D

Explanation

It was Heinrich Hertz who had first noticed the radar system; however, later (in 1922), Albert H. Taylor and Leo C. Young at the U.S. Naval Aircraft Radio Laboratory had invented the modern radar system.

Q 4 - Which among the following terms explains that the galaxies are moving faster and going away from us?

Answer : B

Explanation

N/A

Q 5 - Consider the following statements:

1. Temperature illustrates the degree of hotness or coldness of a body.

2. Temperature is typically measured in degrees on the Celsius, Fahrenheit, and Kelvin scales.

Choose the correct answer from the codes given below:

Answer : C

Explanation

Temperature actually measures how fast the atoms and molecules of an object are moving.

Q 6 - Consider the following statements:

1. Heat is characteristically a form of energy.

2. Heat is typically an electromagnetic radiation.

Choose the correct answer from the codes given below:

Answer : C

Explanation

N/A

Q 7 - Which among the following colors (lights) has the maximum energy?

Answer : A

Explanation

Violet has about 2.75 3.26 eV photon energy.

Q 8 - Oil and water never mix because

A - Water molecules are polar and get attracted towards each other; on the other hand, oil molecules are non-polar hence water molecules repel them

B - Water molecules are much bigger in size hence do not get mixed with oil molecules

C - Weight of oil and water is almost same; hence, they do not get mixed

D - Oil molecules are sticky; hence do not get mixed with water

Answer : A

Explanation

Water molecules are electrically charged and hence they get attracted towards each other.

Q 9 - The electric bell is designed on the principle of

A - Magical ideology

B - Magnetic induction

C - Electric current

D - A and C both

Answer : B

Explanation

N/A

Q 10 - Surface tension is the between liquid molecules.

A - Cohesive forces

B - Repulsive force

C - Gravitational force

D - Chemical force

Answer : A

Explanation

Because of the cohesive nature of the water molecules, surface tension is the property of the surface of a liquid that resist an external force.

Q 11 - Who had invented Transformer?

Answer : B

Explanation

Michael Faraday, the British scientist had invented the transformer.

Q 12 - The measuring unit of magnetic field strength is:

Answer : D

Explanation

Tesla is the measuring unit of magnetic field strength.

Q 13 - Who has given the concept of Blackbody?

Answer : A

Explanation

In thermodynamic equilibrium, a perfect black body absorbs all light that strikes on it.

Q 14 - Consider the following statements:

1. A bat can detect ultrasonic wave.

2. A bat cannot produce ultrasonic wave.

Choose the correct answer from the codes given below:

Answer : A

Explanation

A bat can produce ultrasonic wave.

Q 15 - Consider the following statements:

1. Combination of any two colors, if produces white light, is known as complementary color.

2. One secondary color and the remaining primary colors are complementary colors.

Choose the correct answer from the codes given below:

Answer : C

Explanation

When complementary colors are combined, they cancel each other out and produce white or black. Blue and yellow; Red and cyan, and green and magenta are the complementary.

Q 16 - The line that joins the places of same value of horizontal component of earths magnetic field is known as