If Yy represents yellow colour, then which colour will be dominant ?
A) Green
B) White
C) Yellow
D) Red
1 Answers
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Which of the following solutions give yellow colour with methyl orange indicator.
Correct option is A) NaOH
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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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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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Amber (Yellow) colour to the urine is due to
(A) urochrome
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Colour code of resistor is Yellow-Violet Orange-Gold. Find its value.
Yellow (x) Violet (y) Orange (z) Gold (T%) Value 4 7 3 ± 5 Value of resistance: xy × 10z Ω ± tolerance ∴ Value of resistance = 47 × 103 Ω ± 5% = 47 kΩ ± 5%
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Evaluate resistance for the following colour coded resistors: i. Yellow – Violet – Black – Silver
i. Given: Yellow – Violet – Black – Silver To find: Value of resistance Formula: Value of resistance = (xy × 10z ± T%)Ω Colour Yellow (x) Violet (y) Black (z) Sliver (T%) Code 4 7 0 ±10 Hence x = 4, y = 7,...
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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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$ Phosphates are identified by the yellow precipitate obtained on adding ammonium molybdate solution ! Ammonium phosphomolybdate is a yellow compoud.
R is correct explanation of A
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