NSO Level 1- Science Olympiad (SOF) Class 8: Questions 948 - 952 of 1076

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Question number: 948

» Chemical Effects of Electric Current

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MCQ▾

Question

The picture shown below represents a

Image shows Light Emiting Diode

Image Shows Light Emiting Diode

Choices

Choice (4)Response

a.

Light emitting diode

b.

Light emitting device

c.

Low energy device

d.

Question does not provide sufficient data or is vague

Question number: 949

» Some Natural Phenomena

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MCQ▾

Question

A disaster with sudden shaking of the earth for a short period of time is called

Choices

Choice (4)Response

a.

Tsunami

b.

Flood

c.

Earthquake

d.

Cyclone

Question number: 950

» Chemical Effects of Electric Current

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MCQ▾

Question

When electricity passes through a conducting solution, the molecules dissociate into

Choices

Choice (4)Response

a.

Protons

b.

Atoms

c.

Ions

d.

Electron

Question number: 951

» Chemical Effects of Electric Current

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MCQ▾

Question

Aditya collected two cells, a bulb, two metal strips, some electric wire and some distilled water in a beaker. He has connected the provided items as given in the figure.

Image shows Conduction of electricity

Image Shows Conduction of Electricity

He noticed that the bulb still did not glow. What should he do to make it glow?

Choices

Choice (4)Response

a.

Add some salt to the water

b.

Ensure the battery is expired or not

c.

Check for loose contact

d.

All of the above

Question number: 952

» Achiever's Section

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Appeared in Year: 2012

MCQ▾

Question

A car driver took a total of two hours to make a journey of . he had a coffee break of half an hour and spent a quarter of an hour stationary in a traffic jam. What was his average speed during the journey?

Choices

Choice (4)Response

a.

b.

c.

38kmh-1

d.

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