Answer: (4) Len's Maker's formula is given by where f is the focal length (half the radius of curvature) n is the refractive index of the... View Article

Answer: (3) We know that the integer is divisible by 9 if the sum of its digits is divisible by 9. Sum of the first 9 natural numbers is n(S) =... View Article

Answer: (1) Arithmetic Mean (A.M) - Sum of all of the numbers of a group, when divided by the number of items in that list. The first ten odd... View Article

Answer: (3) Molarity of H2SO4 solution = number of moles of the solute/Volume of solution given in terms of litres Molarity of H2SO4 solution =... View Article

Answer: (2) Let us consider the room with Length (l) = 3x Breadth (b) = 2x Height = 1x Area of the walls (A) = 2(l + b) Ã— h A = 2(3x + 2x)... View Article

Answer: (3) The bond order shows the number of chemical bonds present between a pair of atoms. The Bond Order Formula can be defined as half of... View Article

Answer: The bond order shows the number of chemical bonds present between a pair of atoms. The Bond Order Formula can be defined as half of the... View Article

Answer: Given parameters Moment of inertia of a square lamina about the perpendicular axis at the center of the square (I0) = 20 kgm-2 Let us... View Article

Answer: Let us consider the two numbers are x and y Given: x/y = 5/6 x Ã— 6 = y Ã— 5 6x - 5y = 0....................(1) If 8 is subtracted... View Article

Answer: Let the tap with smaller diameter fills the tank alone in x hours Let the tap with larger diameter fills the tank alone in (x - 10)... View Article

Answer: (4) All of the kinetic energy of incident particles is converted to the potential energy of the system at the distance of closest... View Article

Answer: (3) Pneumatophores are respiratory roots which are found in halophytes such as mangroves. Halophytes grow in saline swamps, hence... View Article

Answer: (1) The majority of the monocotyledonous seeds are albuminous seeds, i.e., they have thick, swollen endosperms for nourishment. The... View Article

Answer: (c) Polyester and cotton Polycot is obtained by mixing polyester and cotton. Polycot is popular polyester used in textile manufacturing... View Article

Answer: Teminism is a theoretical concept. nIt is actually know as Reverse Transcription. This was first discovered in 1978 by Temin and... View Article

Answer: (4) In 1972 Paul Berg began genetic engineering. With the assistance of the lambda phage, he was able to introduce an SV-40 virus gene... View Article