NSO Level 1- Science Olympiad (SOF) Class 10: Questions 304 - 309 of 1497

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Question 304

Question MCQ▾

Which of the following rule help to fixed the direction of induced magnetic field around a current carrying wire?

Choices

Choice (4)Response

a.

Right hand thumb rule

b.

Fleming՚s Right hand rule

c.

Left hand thumb rule

d.

Kirchhoff՚s rule

Edit

Question 305

Question MCQ▾

The magnetic field means:

Choices

Choice (4)Response

a.

The area covered by the magnet

b.

The whole space in which magnet is placed

c.

The area at where magnetic force is experienced.

d.

All of the above

Edit

Question 306

Question MCQ▾

Which of the following are used as ‘Moderator’ in nuclear reactor?

I. Graphite

II. Cadmium

III. Boron

IV. Beryllium

Which of the following is/are correct?

Choices

Choice (4)Response

a.

II and IV only

b.

I and IV only

c.

II and III only

d.

I and III only

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Question 307

Question MCQ▾

Which of the following considered as biogas?

Choices

Choice (4)Response

a.

Gobar gas plant

b.

Cattle dung

c.

Garbage

d.

Both a. and b. are correct

Edit

Question 308

Question MCQ▾

In which year the first practical solar cell made?

Choices

Choice (4)Response

a.

1958

b.

1954

c.

1839

d.

1883

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Question 309

Question MCQ▾

Which of the following are good source of energy?

I. Be economical

II. Be easily be transported and stored

III. Which would be easily accessible

IV. Present in abundant quantity

Which of the following is/are correct?

Choices

Choice (4)Response

a.

I, II, III and IV only

b.

I and II only

c.

I, II and IV only

d.

II, III and IV only

Edit