Physics [NSTSE (National Science Talent Search Exam- Unified Council) Class 8]: Questions 81 - 86 of 219

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Question 81

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Question

MCQ▾

At which of the following temperature rise of the gas will be lowest?

Choices

Choice (4)Response
a.
b.
c.
d.

Question 82

Physics
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Question

MCQ▾

The propagation of light is,

Choices

Choice (4)Response
a.Either planar or rectilinear propagation
b.Cubic propagation
c.Planar propagation
d.Rectilinear propagation

Question 83

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Question

MCQ▾

Who showed that when electrodes were immersed in water and current was passed through water, bubbles of oxygen and hydrogen were produced?

Choices

Choice (4)Response
a.John Frederic Daniel
b.Thomas Alva Edison
c.Alessandro Volta
d.William Nicholson

Passage

See the following diagram of human eye, and answer the questions given below it.

Diagram of human eye

Diagram of Human Eye

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Question 84 (1 of 3 Based on Passage)

Physics
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Question

MCQ▾

What is the function of part of eye represented by , in figure?

Choices

Choice (4)Response
a.Covers anterior chamber of eye
b.Controlling the amount of light entering the eye by contracting or dilating
c.On which image formed
d.Allows the light to fall on retina

Question 85 (2 of 3 Based on Passage)

Physics
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Question

MCQ▾

Which of the following letter represents iris of eye?

Choices

Choice (4)Response
a.Q
b.P
c.S
d.R

Question 86 (3 of 3 Based on Passage)

Physics
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Question

MCQ▾

The letters and represent, respectively:

Choices

Choice (4)Response
a.Iris, Lens and Cornea
b.Retina, Cornea and Lens
c.Retina, Lens and Cornea
d.Iris, Lens and retina