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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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What are the differences between real and virtual images?
asked Oct 18, 2017 in Physics by sonia (36.5k points)
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What is critical angle?
asked Oct 18, 2017 in Physics by shamroz (41.5k points)
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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 261 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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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 242 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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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 271 views
Differentiate between osmoregulation and thermoregulation.
asked Oct 16, 2017 in English by shamroz (41.5k points)
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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 854 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 97 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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What is difference between slag and matte?
asked Sep 25, 2017 in Chemistry by sonia (36.5k points)
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Differentiate between minerals and ores.
asked Sep 25, 2017 in Chemistry by sonia (36.5k points)
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1 answer 106 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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Differentiate between soft and hard water
asked Sep 25, 2017 in Chemistry by shamroz (41.5k points)
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Differentiate between primary and secondary air pollutants.
asked Sep 23, 2017 in Chemistry by sonia (36.5k points)
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What is difference between atmosphere and environment?
asked Sep 22, 2017 in Chemistry by sonia (36.5k points)
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What is difference between glucose and fructose?
asked Sep 21, 2017 in Chemistry by sonia (36.5k points)
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