Suppose the gravitational force varies inversely as the nth power of the distance. The time period of a planet in circular orbit of radius R around sun will be proportional to:
Consider a thin square sheet of side L and thickness t, made of a material of resistivity ρ. The resistance between two opposite faces shown by the shaded areas in the figure is
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The figure below shows a circuit with two cells in opposition to each other. One cell has an emf of 6 V and internal resistance of 2Ω and the other cell has an emf of 4 V and internal resistance of 8Ω. The potential difference across the terminals X and Y is
A radioactive sample S1 having an activity of 5 has twice the number of nuclei as another sample S2, which has an activity of 10 The half lives of S1 and S2 can be
The formula mass of Mohr's salt is 392. The iron present in it is oxidised by KMnO4 in acidic medium. The equivalent mass of Mohr's salt is
Which of the following amines will not undergo carbylamine reaction?
At 25°C, the pH of a solution containing 0.10 M sodium acetate and 0.03 M acetic acid is
[pKa value of CH3COOH = 4.57]
The resistance of 0.01 N solution of an electrolyte was found to be 210 ohm at 298 K, using a conductivity cell of cell constant 0.66 cm−1. The equivalent conductance of the solution is
500 ml of a sample of water required 19.6 mg of K2Cr2O7 for the oxidation of dissolved organic matter in it in the presence of H2SO4. The COD of water sample is
Excess of iron is added to a 0.1 M Cd2+ solution and the system is allowed to attain equilibrium.
Cd2+ (aq) + Fe (s) → Cd (s) + Fe2+ (aq)
The concentration of Cd2+ ions, if Eo = 0.037 V, is
Directions: In this question, the second figure of the Problem figures bears a certain relationship to the first figure. Similarly, one of the figures in the Answer figures bears the same relationship to the third figure. You have to select the figure from the set of answer figures which will replace the sign of question mark (?).
Directions: A sentence has been given in Active/Passive Voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active Voice.
Somebody should have cleaned the windows yesterday.
Directions: There is some relationship between the two terms to the left of the sign (: :). The same relationship exists between the two terms to its right, out of which one is missing. Find the missing one from the given alternatives.
FILM : ADGH : : MILK : ?
Directions: The question is followed by four options. Choose the best completion for the given proverb.
All is well _________.
Directions: There are two sets of figures namely the Problem figures, containing five figures 1, 2, 3, 4 and 5, and the Answer figures (a), (b), (c), (d). You have to select one figure from the Answer figures which will continue the same series as given in the Problem figures.
Directions: In the following question, a part of the figure is missing. From the given options (a), (b), (c) and (d), find the correct figure to fit in the missing figure.
Directions: Out of the given four figures, three are similar in a certain way and form a group, while one figure is not like the other three. Choose the one that does not belong to this group.
Which of the following will replace the question mark (?) in the grid given below?
2 videos|17 docs|85 tests
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2 videos|17 docs|85 tests
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