Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 65 - 70 of 136

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Question number: 65

» Physics » Light

MCQ▾

Question

Critical angle of light passing from glass to water is minimum for

Choices

Choice (4) Response

a.

green colour

b.

Yellow colour

c.

violet colour

d.

red colour

Question number: 66

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

Which of the following materials has got the maximum retentivity?

Choices

Choice (4) Response

a.

Zinc

b.

hard iron

c.

Copper

d.

Soft iron

Question number: 67

» Physics » Measurement

Match List-Ⅰ List-Ⅱ▾

Question

Match the following:
List-Ⅰ List-Ⅱ

(A)

Equation

(i)

Magnitude of velocity

(B)

Equation

(ii)

Acceleration

(C)

Equation

(iii)

Rate of change of speed

(D)

Equation

(iv)

Velocity

Choices

Choice (4) Response
  • (A)
  • (B)
  • (C)
  • (D)

a.

  • (ii)
  • (iii)
  • (i)
  • (iv)

b.

  • (i)
  • (iii)
  • (iv)
  • (ii)

c.

  • (iii)
  • (iv)
  • (i)
  • (ii)

d.

  • (ii)
  • (iv)
  • (i)
  • (iii)

Question number: 68

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

The magnetic field at P due to the magnet NS is

A magnet creating a magnetic field around i

A Magnet Creating a Magnetic Field Around I

Find the direction of magnetic field due to magnet

Choices

Choice (4) Response

a.

along OP

b.

along PO

c.

parallel to NS

d.

None of the above

Question number: 69

» Physics » Sound

MCQ▾

Question

Doppler effect is depend on

Choices

Choice (4) Response

a.

velocity of listener

b.

distance between source and listener

c.

velocity of source

d.

All of the above

Question number: 70

» Physics » Motion and Force

MCQ▾

Question

Bubbles of gas, escaping from the mud at the bottom of a deep lake, rise to the surface. As the bubbles rise, the bubble gets larger. Why is this?

A deep lake full of mud escaping bubbles of gas

A Deep Lake Full of Mud Escaping Bubbles of Gas

Find the reason of bubble getting larger when it rise

Choices

Choice (4) Response

a.

Water pressure on the bubbles increases

b.

Water pressure on the bubbles decreases

c.

Atmospheric pressure on the bubbles decreases

d.

Atmospheric pressure on the bubbles increases

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