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Q.58 Energy of the electron in hydrogen atom in its ground state is 13.6 eV. The energy required (in eV) to move the electron from its ground state to the […]

Q.57 One point charge (q) each, is placed along a line at 3 different points x = 0, x = 2 nm and x = 6 nm. The force between […]

Q.56 A bouncing ball is dropped from an initial height of h meters above a flat surface. Each time the ball hits the surface, it rebounds a distance r × […]

Q.55 The average value of function f(x) = 9 – ₓ² on [-3, 3], rounded off to TWO decimal places, is ________. Finding the average value of a continuous function […]

Q.54 limₓ→₀ (ₓ² – 4ₓ) / (ₓ) The solution to the above limit is ________. Direct answer The limit \(\lim_{x\to 0}\frac{2-\sqrt{4-x}}{x}\) exists and its value is \(-\dfrac{1}{4}\). Introduction The limit […]

Q.53 The length of transverse and conjugate axis in a hyperbola are 6 and 8, respectively. The eccentricity of the hyperbola, rounded off to TWO decimal places, is ________. This […]

Q.52 The vibrational frequency (expressed in wavenumber) of ¹H³⁵Cl is 2990.6 cm⁻¹. Assuming that the force constant is same in both the cases, vibrational frequency (in cm⁻¹) of ²D³⁵Cl is […]

Q.51 A variable number of tandem repeats (VNTR) locus has 15 different alleles. The number of genotypes possible in a population for this VNTR is ________. Introduction In genetics, understanding […]

Q.50 The median of Y in the following data is ________. Serial number 1 2 3 4 5 6 Y 22 12 10 14 16 20   Median of Y […]

Q.49 The decimal reduction time (DRT or D value) of a bacterial culture is one minute. If asuspension of the bacterial culture contains an initial population of 10^6 cells, then […]