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A parallel beam of uniform, monochromatic light of wavelength 2640 A has an intensity of 200W/m2 . The number of photons in 1mm3 of this radiation are ….

asked Apr 13, 2021 in Physics by Doubtly (98.9k points)

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If A and B are two skew-symmetric matrices of order n, then, (a) AB is a skew-symmetric matrix

asked Apr 12, 2021 in Chapter1:Rotational Dynamics by Topper11 (2.8k points)

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A stationary body explodes into two fragments each of rest mass 1kg that move apart at speeds of 0.6c relative to the original body

asked Apr 11, 2021 in Physics by Doubtly (98.9k points)

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The top of a ladder 6 metre long is resting against a vertical wall on a level pavement,

asked Apr 11, 2021 in mathematics by Doubtly (98.9k points)

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As per IUPAC nomenclature, the name of the complex [Co (H2O)4(NH3 )2]C13 is

asked Apr 9, 2021 in random by Doubtly (98.9k points)

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The oxidation state of Fe in the brown ring complex [Fe(H2O)5NO]SO4 is:(a) + 1 (b) + 2 (c) + 3 (d) + 4

asked Apr 9, 2021 in random by Doubtly (98.9k points)

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The number of enantiomer in a glucose molecule is (a) 16 (b) 12 (c) 4 (d) 9

asked Apr 9, 2021 in random by Doubtly (98.9k points)

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Find out the number of enantiomer, meso isomer and total number of optical isomers for the following compound

asked Apr 9, 2021 in random by Doubtly (98.9k points)

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Create output for this compter science terms in computer

asked Apr 8, 2021 in Operating System by Doubtly (98.9k points)

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Area (in sq. units) of the region outside |x|/2 + |y|/3 = 1 and inside the ellipse x^2/4 + y^2/9 = 1 is

asked Apr 8, 2021 in Uncategorized by Doubtly (98.9k points)

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Two capacitors C1 and C2 are charged to 120 V and 200 V, respectively.

asked Apr 8, 2021 in Physics by Doubtly (98.9k points)

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An electric dipole is placed at an angle of 30º to a non-uniform electric field. The dipole will experience

asked Apr 8, 2021 in Physics by Doubtly (98.9k points)

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The resistance of a wire at room temperature 20°C is found to be 20W. Now to increase the resistance by 20%,

asked Apr 8, 2021 in Physics by Doubtly (98.9k points)

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If the cost of bananas is increased by Rs. 10 per dozen, one can get 3 dozen less for Rs.600.

asked Apr 8, 2021 in maths by Doubtly (98.9k points)

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Find the first two terms of the sequence for which Sn is given below Sn=n^2 (n+1)

asked Apr 8, 2021 in maths by Doubtly (98.9k points)

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Prove. Sec2 A + Cosec2 A = Sec2 A Cosec2 A

asked Apr 8, 2021 in maths by Doubtly (98.9k points)

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Find the area of the sector of a circle of radius 8 cm and arc with length 15 cm.

asked Apr 8, 2021 in maths by Doubtly (98.9k points)

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If a machine is lubricated with oil (a) the mechanical advantage of the machine increases

asked Apr 6, 2021 in Physics by Doubtly (98.9k points)

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Refractive index of water with respect to air is 1.33 and that of diamond is 2.42.

asked Apr 5, 2021 in Science Part 1 by Doubtly (98.9k points)

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Select the correct stability order of the conformation /Rotamers/ Rotational isomers of Ethane Molecule

asked Apr 5, 2021 in random by Doubtly (98.9k points)

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