A first-line indentation indents value is:
(a) positive
(b) negative
(c) zero
(d) none of these
1 Answers
State the mathematical expression for a transverse progressive wave travelling along the positive and negative x-axis.
i. Consider a transverse progressive wave whose particle position is described by x and displacement from equilibrium position is described by y. Such a sinusoidal wave can be written as follows: ∴...
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How much positive and negative charge is present in 1 g of water? How many electrons are present in it?
Molecular mass of water is 18 gram, that means the number of molecules in 18 gram of water is 6.02 × 1023 ∴ Number of molecules in l gm of water...
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Electric lines of force about a positive point charge and negative point charge are respectively.
(B) radially outward, radially inward
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An atom is electrically A) positive B) negative C) neutral D) no change
Correct option is C) neutral
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The charge of alpha particles is A) positive B) negative
Correct option is A) positive
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i. Identify the element that exhibits only negative oxidation state. ii. Identify the element that exhibits only positive oxidation state.
i. F: It is most electronegative. It shows only a negative oxidation state of -1. ii. Cs: Alkali metals have only one electron in their valence shell and hence, exhibits only positive...
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Match the items of first line with second line. First line : 1. Charles Elton 2. Charles Darwin
(A) 1 – b, 2 – c 3 – a
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The hanging indent value can be entered as: (a) positive (b) negative (c) zero (d) none of these
Correct answer is (b) negative
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If the wave number of the first line in the Balmer series of hydrogen atom is `1500cm^(-1)`, the wave number of the first line of the Balmer series of
Correct Answer - A `bar(v) = bar(v)_(H) xx z^(2)`
2 Answers 1 views
Assertion: Where a mole of electron is transported across a potential difference of `1V` from positive electrode to negative electrode, then work done
Correct Answer - A Assertion and reason are both correct and reason is the correct explanation of assertion.
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