Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 48 - 52 of 73

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Question number: 48

» Physics » Motion and Force

MCQ▾

Question

The mass of the Moon is 7.34 x 1022 kg and the radius is 1.74 x 106 m. The value of gravitation acceleration will be

Choices

Choice (4) Response

a.

1.45 N/kg

b.

1.62 N/kg

c.

1.55 N/kg

d.

1.75 N/kg

Question number: 49

» Physics » Source of Energy

MCQ▾

Question

The temperature of the Sun is measured with

Choices

Choice (4) Response

a.

Platinum thermometer

b.

Pyrometer

c.

Vapour pressure thermometer

d.

Gas thermometer

Question number: 50

» Physics » Source of Energy

MCQ▾

Question

In a hydroelectric power plant, more electrical power can be generated of water falls from a greater height because

Choices

Choice (4) Response

a.

higher amount of potential energy is converted into kinetic energy

b.

the electrical content of water increases with height

c.

more water molecules dissociate into ions

d.

its temperature increases

Question number: 51

» Physics » Work and Energy

Match List-Ⅰ List-Ⅱ▾

Question

Match the following
List-Ⅰ (Fraction Of Petroleum) List-Ⅱ (Main Uses)

(A)

Kerosene

(i)

Lubricants

(B)

Bitumen

(ii)

Generation of electricity

(C)

Paraffin wax

(iii)

Metalling of roads

(D)

Diesel

(iv)

Jet aircraft fuel

Choices

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

a.

  • (i)
  • (ii)
  • (iv)
  • (iii)

b.

  • (i)
  • (ii)
  • (iii)
  • (iv)

c.

  • (iv)
  • (ii)
  • (i)
  • (iii)

d.

  • (iv)
  • (iii)
  • (i)
  • (ii)

Question number: 52

» Physics » Source of Energy

MCQ▾

Question

When we use biomass to generate electricity, we convert which form of energy locked in the biomass to electrical energy?

Choices

Choice (4) Response

a.

Chemical energy

b.

Nuclear energy

c.

Kinetic energy

d.

Muscular energy

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