NSO Level 1- Science Olympiad (SOF) Class 10: Questions 604 - 607 of 986

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Question number: 604

» Light - Reflection and Refraction

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MCQ▾

Question

For concave mirror, object between P and F in following figure. Which type of image is formed?

Object between P and F in following figure

Object between P and F in Following Figure

Choices

Choice (4)Response

a.

Behind the mirror, virtual and erect and larger than the object

b.

At infinity, real and inverted and highly magnified

c.

At the centre of curvature, real and inverted and same size as the object

d.

Beyond the centre of curvature, real and inverted and larger than the object

Passage

Direction: Read the passage carefully and answer the questions below carefully

Wave Energy:

Wave is caused by the strong wind blowing on the surface of the ocean. A structure is erected in the sea, which has a piston attached to a turbine. The other end of the piston touches the ocean water. When there is a falling wave, the level of water decreases, pushing the piston downwards. The piston is in turn connected to a turbine which rotates and electricity is produced

Question number: 605 (1 of 2 Based on Passage) Show Passage

» Sources of Energy

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MCQ▾

Question

Electricity is generated because of

Choices

Choice (4)Response

a.

Geothermal energy converts into electricity

b.

Heat energy converts into electricity

c.

Kinetic energy converts into electricity

d.

Wind energy converts into electricity

Question number: 606 (2 of 2 Based on Passage) Show Passage

» Sources of Energy

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MCQ▾

Question

Fill the blank.

When ocean is a rising wave, the level of water________, pushing the piston upwards

Choices

Choice (4)Response

a.

Increase

b.

No changes

c.

Decrease

d.

Question does not provide sufficient data or is vague

Passage

Read the passage carefully and answer questions below

A coil of insulated copper wire is connected to a galvanometer. What would happen if a bar magnet is

Question number: 607 (1 of 3 Based on Passage) Show Passage

» Magnetic Effects of Electric Current

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MCQ▾

Question

Held stationary inside the coil?

Choices

Choice (4)Response

a.

Magnetic flux in the coil but it will remain constant

b.

Galvanometer shows deflection

c.

Magnetic flux change and induced current in the coil

d.

Question does not provide sufficient data or is vague

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