Explain microscope in simplest termsDefinition and significance of.pdf
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Explain microscope in simplest terms Definition and significance of contrast, absorption, refraction, and scattering to light microscopy I know what contrast is, but what is the significance of absorption, refraction, and scattering of the light to a light microscope? When do all of these come in to play Solution Microscope- Microscope is optical instrument, in which light makes image clear to see microorganism, plant and animal cell etc. Significance of absorbance, scattering and reflection in microscope- In light microscopy abortion play the role to see the object in term to see the colour when visible light (VIBGYOR) put on to object the all waves are absorbed but a particular wave length is reflect by this wave we can see the colour of the object. For example the leaf of the plant look green because all wave are absorbed but green wave length is reflect. In scattering of light microscope the light is scattered by rough or rigid area of the object, from this we obtain size and shape of the object. When put the visible light on object it absorbed, scattered and reflect by ht object at a time by absorbance and reflection we see the colour and by scattering see the shape and size of the object.
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Distinguish between specualr reflection and diffuse reflection.S.pdf
Distinguish between specualr reflection and diffuse reflection.
Solution
Most things that we see (people, cars, houses, animals, trees, etc.) do not themselves emit visible
light but reflect incident natural sunlight and artificial light. For instance, an apple appears a
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specular light follows the same angle from the normal, as does the incident light. The rough
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Claret hairless = (+ c h) [Parental]
Claret = =(+ c +) [double cross over]
hairless,spineless = (s + h) [double cross over]
Therefore, Parentals = s + + , + c h
and Double crossovers = + c + , s + h
Analysing, we get: s+ s+, +c +c and h+ +h.
h is different, so, h (hairless) is in the middle.
(b) The genotypes of the homozygous parents are = s + + / s + + and + c h / + c h
(c) The map distances have been calculated as under:
(Spineless – hairless) = (Number of recombinants)/1000) * 100
= (32 + 38 + 12 + 18)/(1000) * 100
= (100/1000) * 100 = 10% = 10 map units (mu)
(hairless-claret) = (140 + 130 + 12 + 18)/1000) * 100
= (300/1000) * 100
= 30%
= 30 map units (mu)
(d) Coefficient of coincidence = observed double crossovers/expected double crossovers
So, we need to calculate expected double cross overs:
Expected double cross overs = recombination frequency in region 1 (map units / 100) X
recombination frequency in region 2 (map units / 100)
= .(10/100) * (30/100)
= 0.1 * 0.3
= 0.03
Therefore, Coefficient of coincidence = [(18 + 12)/1000] / 0.03
= (30/1000) / 0.03
= 0.03 / 0.03 = 1.
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On the other hand Reliability is defined as the the consistency or stability of the test scores
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With a VPN users are frequently provided a token that displays a constantly changing password,
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