NSTSE (National Science Talent Search Exam- Unified Council) Class 10: Questions 1294 - 1299 of 1484

Access detailed explanations (illustrated with images and videos) to 1484 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

Question number: 1294

» Physics » Sources of Energy

Edit
MCQ▾

Question

The atom bomb is based on the principle of uncontrolled nuclear fission reaction of:

Choices

Choice (4) Response

a.

Uranium 235 or Plutonium 239

b.

Uranium 235 and Plutonium 239

c.

None of the above

d.

Question does not provide sufficient data or is vague

Question number: 1295

» Physics » Sources of Energy

Edit
MCQ▾

Question

Which of the following problems associated with the use of coal?

Choices

Choice (4) Response

a.

Acid drainage from coal mine

b.

Burning of coal released sulfur dioxide

c.

Expensive and dangerous to mine

d.

All a. , b. and c. are correct

Question number: 1296

» Physics » Magnetic Effects of Electric Current

Edit
MCQ▾

Question

Which of the following factors affect the speed of the rotation of coil in DC electric motor?

Choices

Choice (4) Response

a.

The magnitude of magnetic field

b.

The magnitude of current

c.

Number of turns of coil

d.

All a. , b. and c. are correct

Question number: 1297

» Physics » Sources of Energy

Edit
MCQ▾

Question

The lid of the solar cooker is made up of:

Choices

Choice (4) Response

a.

Black sheet

b.

Glass

c.

Plastic sheet

d.

Plane mirror

Question number: 1298

» Physics » Sources of Energy

Edit
MCQ▾

Question

Which of the following device converts solar energy directly into electricity?

Choices

Choice (4) Response

a.

Generator

b.

Solar cooker

c.

Solar cell

d.

Question does not provide sufficient data or is vague

Question number: 1299

» Physics » Sources of Energy

Edit
MCQ▾

Question

Ocean thermal energy is due to

Choices

Choice (4) Response

a.

Temperature difference at different levels in the ocean

b.

Pressure difference at different levels in the ocean

c.

All of the above

d.

None of the above

Developed by: