NSO Level 1- Science Olympiad (SOF) Class 10: Questions 964 - 967 of 986

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Question 964

Question

Match List-Ⅰ List-Ⅱ▾

Match the column I and column II for Image formation by a convex lens and the select the correct option from the coded given below:

List-Ⅰ (Column I)List-Ⅱ (Column II)
(A)

Between

(i)

Beyond

(B)

At infinity

(ii)

At focus

(C)

Beyond

(iii)

At

(D)

At

(iv)

Between

Choices

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

a.

  • (i)
  • (ii)
  • (iv)
  • (iii)

b.

  • (iii)
  • (ii)
  • (iv)
  • (i)

c.

  • (iv)
  • (i)
  • (iii)
  • (ii)

d.

  • (i)
  • (ii)
  • (iii)
  • (iv)

Question 965

Question

MCQ▾

What gas is evolved when reaction of hydrochloric Acid and Sodium hydroxide takes place?

Choices

Choice (4)Response

a.

Oxygen gas

b.

Water

c.

Hydrogen gas

d.

Question does not provide sufficient data or is vague

Question 966

Question

MCQ▾

Disposable plastic plates should not be used because

Choices

Choice (4)Response

a.

They are made of materials with lightweight

b.

They are made of biodegradable materials

c.

They are made of toxic materials

d.

They are made of non-biodegradable materials

Question 967

Question

MCQ▾

Choose correct factor (s) affecting magnetic force on a current-carrying conductor in a magnetic field

Choices

Choice (4)Response

a.

Length of the wire

b.

Current flowing through the wire

c.

Strength of the magnetic field

d.

All a., b. and c. are correct

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