NSO Level 1- Science Olympiad (SOF) Class 10: Questions 599 - 603 of 986

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Question number: 599

» Metals and Non - Metals

Edit
MCQ▾

Question

Which is not an example of Roasting?

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 600

» Chemical Reactions and Equation

Edit
Match List-Ⅰ List-Ⅱ▾

Question

Match both the column and mark the correct option from the codes given below.

List-Ⅰ (Column I)List-Ⅱ (Column II)

(A)

(i)

Combination

(B)

(ii)

Oxidation

(C)

(iii)

Displacement

(D)

(iv)

Decomposition

Choices

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

a.

  • (ii)
  • (i)
  • (iii)
  • (iv)

b.

  • (iii)
  • (iv)
  • (i)
  • (ii)

c.

  • (iv)
  • (iii)
  • (ii)
  • (i)

d.

  • (iii)
  • (i)
  • (iv)
  • (ii)

Question number: 601

» Light - Reflection and Refraction

Edit
MCQ▾

Question

The optical phenomena, twinkling of stars, is due to

Choices

Choice (4)Response

a.

Atmospheric refraction

b.

Atmospheric reflection

c.

Total refraction

d.

Total reflection

Question number: 602

» Sources of Energy

Edit
MCQ▾

Question

Choose correct option to explain limitations of solar cooker.

Choices

Choice (4)Response

a.

The direction of the reflector has to be adjusted according to the position of the sun

b.

Short life

c.

Need maintenance after some month

d.

It cannot be used for making ‘Tea’

Question number: 603

» Magnetic Effects of Electric Current

Edit
MCQ▾

Question

A small conducting rod of length l, moves with a uniform velocity v in a uniform magnetic field B as shown in figure. The current will flow from

Flemings right hand rule

Fleming’S Right Hand Rule

Choices

Choice (4)Response

a.

End X to End Y

b.

End Y to End X

c.

Question does not provide sufficient data or is vague

d.

All of the above

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