Physics (NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension): Questions 81 - 86 of 133

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Question number: 81

» Physics » Light

MCQ▾

Question

An object is placed 40 cm from a concave mirror of focal length 20 cm. The image formed is

Choices

Choice (4) Response

a.

virtual, erect and smaller in size

b.

real, inverted and smaller in size

c.

virtual, erect and larger in size

d.

real, inverted and same in size

Question number: 82

» 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: 83

» 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: 84

» Physics » Measurement

Match List-Ⅰ List-Ⅱ▾

Question

Match the following:
List-Ⅰ List-Ⅱ

(A)

dvdt

(i)

Magnitude of velocity

(B)

dxdt

(ii)

Acceleration

(C)

dxndtn

(iii)

Rate of change of speed

(D)

dt

(iv)

Velocity

Choices

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

a.

  • (ii)
  • (iv)
  • (i)
  • (iii)

b.

  • (ii)
  • (iii)
  • (i)
  • (iv)

c.

  • (i)
  • (iii)
  • (iv)
  • (ii)

d.

  • (iii)
  • (iv)
  • (i)
  • (ii)

Question number: 85

» 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: 86

» 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

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