The default colour of Vlink is _____ (a) Blue (b) Green (c) Red (d) Yellow
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Leucoplasts are A) green B) red C) white D) blue
Correct option is C) white
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The reason for colour changes in tomatoes (Green – White – Yellow – Red) is
Correct option is B) Plastids
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In the anaerobic respiration experiment, the blue dye diazine green (Janus Green-B) turns
Answer is (B) Pink
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The refractive indices of the material of the prism for red and yellow colour are 1.620 and 1.635 respectively.
Given: nR = 1.620, nY = 1.635, A = 8° To find: i. Angular dispersion (δV – δR) ii. Dispersive power (ω) Formulae: i. δv – δr = A(nV – nR) ii. ω = \(\frac{n_V-n_R}{n_Y-1}\) Calculation: Since, nY = \(\frac{n_V+n_R}{2}\) ∴ nV = 2nY – nR nV = 2 × 1.635...
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A given carbon resistor has the following colour code of the various strips: Orange, red, yellow and gold. The value of resistance in ohm is
Correct option is: (A) 32 × 104 ± 5%
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A substance is in light yellow colour. If we put it in sunlight, it changes into grey colour. What is the substance ?
C) Silver bromide
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Observe the a, b statements. a : Yellow colour YY is pure breed. b : Green colour yy is also pure breed.
(A) Both a and b are true
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If Yy represents yellow colour, then which colour will be dominant ?
Answer is (C) Yellow
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There are 5 balls in a vessel. Out of which 2 are red, 2 are blue and ‘1’ is green.
Correct option is (C) 3/5 Red balls = n(R) = 2, Blue balls = n(B) = 2 and Green balls = n(G) = 1 N(S) = n(R) + n(B) + n(G) = 2+2+1 = 5 Number...
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Visible spectrum contains light of following colours 'Violet - Indigo - Blue - Green - Yellow - Orange - Red' (VIBGYOR). Its frequency ranges from vio
Correct Answer - 7500
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