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Class 10 Physics Optics The Human Eye And The Colourful World

An ammeter has 20 divisions between 0 mark and 2 A mark on its scale. The least count of this ammeter is :

(a)

0.01A

(b)

0.02 A

(c)

0.1 A

(d)

0.2 A

Correct answer: (c)

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Similar topics

wave optics

optics and optical instruments

the human eye and the colourful world

optics

geometrical optics

widgit image

Want to learn more from experts on video call? Download Filo.

image to download the app

wave optics

optics and optical instruments

the human eye and the colourful world

optics

geometrical optics

An ammeter has 20 divisions between 0 mark and 2 A mark on its scale. The least count of this ammeter is :

play button image

thumbnail of solution video

Four students A, B, C and D performed the experiment to determine the focal length of a concave mirror by obtaining the image of a distant tree on a screen. They measured the distances between the screen and the mirror as shown in the diagrams given below :

The correct value for focal length will be obtained by the student :

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A student using the same two resistors, ammeter, voltmeter and battery, sets up two circuits A and B connecting the two resistors first in series and then in parallel.

If the ammeter and voltmeter readings in the two cases be

I_{1}, I_{2}

V_{1}, V_{2}

respectively, he is likely to observe that :

play button image

An ammeter has 20 divisions between 0 mark and 2 A mark on its scale. The least count of this ammeter is :

play button image

thumbnail of solution video

Four students A, B, C and D performed the experiment to determine the focal length of a concave mirror by obtaining the image of a distant tree on a screen. They measured the distances between the screen and the mirror as shown in the diagrams given below :

The correct value for focal length will be obtained by the student :

play button image

A student using the same two resistors, ammeter, voltmeter and battery, sets up two circuits A and B connecting the two resistors first in series and then in parallel.

If the ammeter and voltmeter readings in the two cases be

I_{1}, I_{2}

V_{1}, V_{2}

respectively, he is likely to observe that :

play button image

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Home
About Us
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Contact Us

Legal
Privacy Policy and Terms & Conditions
Download App

Copyright FILO EDTECH PVT. LTD. 2021