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In the following question, two statements are numbered as A and B. On solving these statements we get quantities A and B respectively. Solve for the both quantities and choose the correct option. Quantity A: Two powders P and Q are to be mixed in ratio 4 ∶ 7 to form a mixture. If 28 kg of powder P and 28 kg of powder Q is available, how much powder Q is more required to make the desired mixture? Quantity B: A mixture is formed by mixing 16 kg of powder X and 25 kg of powder Y. How much powder X is required to be mixed with 40 kg of powder Y to make a mixture of the same ratio?
108 kg of mixture C was prepared by mixing equal quantities of mixtures A and B, made up of chalk powder and brick powder, such that the ratio of chalk and brick powder in mixture C is 17 ∶ 10. If mixture A comprised of 22 kg chalk powder, how much brick powder was present in mixture B?
Consider the Atomic Packing Factor (APF) of the following crystal structures:
P. Simple cubic
Q. Body centred cubic
R. Face centred cubic
T. Hexagonal close packed
Which two of the above structures have equal APF?
In a powder diffraction pattern recorded from a face centred cubic sample using X-rays, the first peak appears at 30°. The second peak will appear at
A cubic material is made by melting three smaller cubic materials of sides 6, 8, and 10 cm. The total surface area of new cubic material so formed is what percent of the total surface areas of all small cubic materials?
The rate list of groceries in a shop are depicted as follows : Rice (1 KG) Rs. 70 Black gram (1 KG) Rs. 90 Wheat Flour (1 KG) Rs. 45 Coriander powder (250 g) Rs. 40 Chilli Powder (250 g) Rs. 60 Salt (1 Pkt Rs. 25 Biscuit (1 Pkt) Rs. 20 Ashish needs to buy 5 kg of rice, 5 kg of wheat flour, 250 g of coriander powder, 250 g of chilli powder, 2 kg of black gram and some packets of biscuit with remaining money. If he is having Rs. 1000, how many biscuit packets can be buy?
The effective number of lattice points in the unit cell of simple cubic, body centered cubic, and face centered cubic space lattices, respectively, are
For a cubic metal with lattice parameter of 3.92°A, the first four diffraction peaks from the X-ray powder diffraction pattern taken with Cu-Ka radiation (λ = 1.5405°A) occur at 2θ values of 39.7, 46.2, 67.5 and 81.3 degrees. The crystal structure of the metal is
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 5g/m3 Area of crystal A= 10m2
Find out the characteristic crystal length if Mass of the crystal m= 10g Density of crystal is d= 6g/m3 Area of crystal A= 10m2