2821: 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
2822: Assertion (A): To orbit around the Sun, the planet Mars takes lesser time than the time taken by the Earth.
Reason (R) : The diameter of the Planet Mars is less than that of the Earth.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true
2823: Consider the following pairs :
Community sometimes In the affairs of mentioned in the news
1. Kurd : Bangladesh
2. Madhesi : Nepal
3. Rohingya : Myanmar
Which of the pairs given above is/are correctly matched?
(a) 1 and 2
(b) 2 only
(c) 2 and 3
(d) 3 only
2824: Consider the following in respect of Indian Ocean Naval Symposium (IONS):
1. Inaugural IONS was held in India in 2015 under the chairmanship of the Indian Navy.
2. IONS is a voluntary initiative that seeks to increase maritime co-operation among navies of the littoral states of the Indian Ocean Region.
Which of the above statements is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
2825: Given below are colours of the visible spectrum. Identify the correct sequence in order of Increasing wavelengths.
(a) Red, Yellow, Blue, Violet
(b) Violet, Yellow, Blue, Red
(c) Blue, Yellow, Red, Violet
(d) Violet, Blue, Yellow, Red