Have you experienced a shock while getting up from a plastic chair and shaking hand with your friend?
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Find the degrees and radians the angle between the hour hand and the minute hand of a clock at half past three.
Correct Answer - `75^@or(5pi)/12rad` The angle traced by the hour hand in `12 h =360^@` Therefore, the angle traced by the hour hand in 3 h 30 min, i.e., `7/2h=(360/12xx7/2)^@=105^@` The...
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You are sitting next to your friend on ground. Is there any gravitational force of attraction between you two?
1. Yes, there exists a gravitational force between me and my friend sitting beside each other. 2. The gravitational force between any two objects is given by, \(\vec{F} = G\frac{m_1\,m_2}{r^2}\) Where, G = universal gravitational...
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While doing his Ph.D. in Plant Taxonomy your friend has come across a plant, which he feels is a new species
1. The newly discovered plant can be identified with the help of taxonomic keys, monographs, floras, herbaria and preserved plant specimens. 2. A separate taxonomic key is available for each taxonomic...
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Find the measure of the angle between hour-hand and the minute hand of a clock at twenty minutes past two.
Correct answer is (A) 50°
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A die is thrown. Find the probability of (i) getting a 5 (ii) getting a 2 or a 3 (iii) getting an odd number (iv) getting a prime number (v) getting a
Correct Answer - `(i) 1/6 (ii) 1/3 (iii) 1/2 (iv) 1/2 (v) 1/3 (vi) 1/3`
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In a single throw of two dice, find the probability of (i) getting a sum less than 6 (ii) getting a doublet of odd numbers (iii) getting the sum as a
Correct Answer - `(i) 5/18 (ii) 1/12 (iii) 5/12`
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The method used to separate a given organic compound present in aqueous solution by shaking with a suitable solvent in which
Option : (C) solvent extraction
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Suppose you are inside the water in a swimming pool near an edge. A friend is standing on the edge. Then your friend will appear
A) taller than his actual height
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If you bite by a stick on your palm, how do you escape from a larger impulse on your hand ?
A) By pulling down your palm along the direction of the stick
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