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Explain the image formation with ray diagram, when the object is placed between the convex lens and F.

asked Oct 18, 2017 in Physics by sonia (36.5k points)

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1 answer 122 views

What are the differences between real and virtual images?

asked Oct 18, 2017 in Physics by sonia (36.5k points)

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1 answer 387 views

What is critical angle?

asked Oct 18, 2017 in Physics by shamroz (41.5k points)

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1 answer 482 views

Is there any difference between echo and reflection of sound? Explain.

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 329 views

Why two tin cans with a string stretched between them could .

asked Oct 17, 2017 in Physics by sonia (36.5k points)

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1 answer 316 views

Differentiate between noise and musical sounds. Also give examples.

asked Oct 17, 2017 in Physics by shamroz (41.5k points)

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1 answer 339 views

What is difference between frequency and pitch? Describe their relationship graphically.

asked Oct 16, 2017 in Physics by sonia (36.5k points)

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What is the difference between the loudness and intensity of sound? Derive the relation between the two.

asked Oct 16, 2017 in Physics by sonia (36.5k points)

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1 answer 207 views

Elaborate the difference between the mechanical and electromagnetic waves. Also give examples of each,

asked Oct 16, 2017 in Physics by sonia (36.5k points)

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1 answer 485 views

Differentiate between osmoregulation and thermoregulation.

asked Oct 16, 2017 in English by shamroz (41.5k points)

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1 answer 2.0k views

What is relationship between active mass and rate of reaction?

asked Sep 26, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 924 views

What is the difference between crude oil and residual oil?

asked Sep 26, 2017 in Chemistry by sonia (36.5k points)

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1 answer 164 views

Describe the difference between diesel oil and fuel oil.

asked Sep 26, 2017 in Chemistry by sonia (36.5k points)

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1 answer 943 views

What is difference between slag and matte?

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 355 views

Differentiate between minerals and ores.

asked Sep 25, 2017 in Chemistry by sonia (36.5k points)

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1 answer 170 views

What is difference between biodegradable and non-biodegradable substances?

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 185 views

Differentiate between soft and hard water

asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)

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1 answer 355 views

Differentiate between primary and secondary air pollutants.

asked Sep 23, 2017 in Chemistry by sonia (36.5k points)

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1 answer 350 views

What is difference between atmosphere and environment?

asked Sep 22, 2017 in Chemistry by sonia (36.5k points)

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1 answer 256 views

What is difference between glucose and fructose?

asked Sep 21, 2017 in Chemistry by sonia (36.5k points)

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