NTPC CBT-2 Physics Quiz

Question 1:

Energy is continuously created in the sun due to –

Nuclear fusion

Nuclear fission

Radioactivity

Artificial radioactivity

Question 2:

Which of the following is true for magnification produced by a lens?

It is the ratio of the height of the image and the height of the object.

It is the difference between height of the object and the height of the image.

It is the sum of the height of the object and the height of the image.

It is the difference between object distance and image distance.

Question 3:

The fourth state of matter is known as-

Gas

Vapour

Plasma

Electrons

Question 4:

What is geodynamo?

An earthquake measuring device

The mechanism responsible for the generation of the Earth's magnetic field

The mechanism responsible for Eclipse

A device measuring for radius of earth

Question 5:

Ultrasonic waves are sound waves, ultrasonic waves have frequency

Below 20Hz

Between 20Hz to 20000Hz

Generally above 20000Hz

Between 20Hz to 20000MHz

Question 6:

How are X-rays produced in a normal X-Ray machine?

bombardment of cathode rays on a radio-active material

Nuclear Fission

Nuclear Fusion

Superheating of an element

Question 7:

Which of the following is widely used in making semiconductor chips?

Radium

Sodium

Germanium, Silicon

Sulfur

Question 8:

What will be the effect on the people sitting in the bus if the moving bus stops at once?

People sitting on the bus will lean forward

People sitting on the bus will bend backwards

People sitting on the bus will lean to the right

People sitting on the bus will lean to the left

Question 9:

Which of the following is not a fundamental physical quantity?

Time

Length

Current

Work

Question 10:

Pycnometer is an instrument used to measure the –

Density

Intensity of solar radiation

Intensity of earthquake

High temperatures

NTPC CBT-2 Physics Quiz - 7

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NTPC CBT-2 Physics Quiz - 7

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