Physics (NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension): Questions 68 - 73 of 78

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Question number: 68

» 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

Question number: 69

» Physics » Sound

MCQ▾

Question

If the temperature of the atmosphere is increased the following character of the sound wave is affected

Choices

Choice (4) Response

a.

velocity

b.

wavelength

c.

frequency

d.

amplitude

Question number: 70

» Physics » Source of Energy

MCQ▾

Question

Electricity from the ocean can be generated based on utilizing

Choices

Choice (4) Response

a.

stored thermal energy but not kinetic energy of the waves

b.

kinetic energy of the waves as well as stored thermal energy

c.

kinetic energy of the waves but not stored thermal energy

d.

neither kinetic energy of the waves nor stored thermal energy

Question number: 71

» Physics » Magnetism & Electricity at Work

MCQ▾

Question

Two conducting wires of the same material and of equal lengths and equal diameters are first connected in series and then in parallel in a circuit across the same potential difference. The ratio of heat produced in series and parallel combination would be

Choices

Choice (4) Response

a.

1: 4

b.

1: 2

c.

4: 2

d.

2: 2

Question number: 72

» Physics » Sound

MCQ▾

Question

Frequency range of the audible sounds is

Choices

Choice (4) Response

a.

0 Hz - 30 Hz

b.

20 kHz - 20, 000 kHz

c.

20 Hz - 20 kHz

d.

20 kHz - 20 MHz

Question number: 73

» Physics » Source of Energy

MCQ▾

Question

In India, uranium is found in

Choices

Choice (4) Response

a.

Andhra Pradesh

b.

Jharkhand

c.

Madhya Pradesh

d.

Odisha

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