4591: What is the increasing order of the wavelengths of the following colours?
1. Orange
2. Indigo
3. Yellow
4. Violet
(a) 1, 2, 3 and 4
(b) 3, 1, 4 and 2
(c) 1, 3, 2 and 4
(d) 4, 2, 3 and 1
4592: Which of the following types of light are strongly absorbed by plants?
(a) Blue and red
(b) Yellow and violet
(c) Violet and orange
(d) Indigo and yellow
4593: Which one of the following pairs is correctly matched ?
(a) Guru Amar Das : Miri and Piri
(b) Guru Arjan Dev : Adi Granth
(c) Guru Ram Das : Dal Khalsa
(d) Guru Gobind Singh : Manji
4594: The known forces of natures can be divided into four classes, viz., gravity, electromagnetism, week nuclear force and strong nuclear force. With reference to them, which one of the following statements is not correct?
(a) Gravity is the strongest of the four
(b) Electromagnetism act only on particles with an electric charge
(c) Weak nuclear force causes radioactivity
(d) Strong nuclear force holds protons and neutrons inside the nuclear of an atom.
4595: Consider the following events in Indian Freedom Movement :
1. Singh Sabha Movement
2. Quit India Movement
3. Dandi March
4. Gurdwara Reform Movement
The correct chronological sequence of these events is
(a) 1, 4, 3, 2
(b) 4, 1, 2, 3
(c) 2, 3, 4, 1
(d) 3, 2, 1, 4