Question
Which of the following pairs of phenomena illustrate the
particle nature of the electromagnetic radiation?Solution
The correct answer is A
More Chemistry GS Questions
- If secx – tanx = 1/√3, then the value of secx × tanx is:
In triangle ABC, ∠A - ∠B = 16 ° , whereas ∠A - ∠C = 8 ° , find ∠B.
sin2 7 ° + sin2 8 ° + sin2 9 ° + sin2 10 ° + ……… + sin2 83 ° = ?
...cot 4˚ x cot 47˚ x cot 42.3˚ x cot 43˚ x cot 47.7˚ x cot 86˚= ?
- Calculate the value of sin120 o + cos180 o + tan225 o .

Take θ = 450
- If cot A = √3, then what will be the value of cosec⁴ A?
The minimum value of 3 sin2 θ + 4 cos2 θ is
...- Simplify the following trigonometric expression:
13cos 63 o cosec 27 o - 5cot 56 o cot 34 o