NTSE Stage-2 (National-Level) Scholastic-Aptitude & Language Comprehension: Questions 425 - 430 of 828
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 828 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.
Rs. 400.00 or
Question number: 425
Question number: 426
Question number: 427
Question number: 428
Question number: 429
Consider the following statements of greenhouse effect
I. trapping of radiation on the Earth atmosphere.
II. Increase in the Earth temperature which is known as global warming.
Which of the above statements is/are correct?
Neither I nor II
I and II
Question number: 430
Two plane mirrors are inclined to each other at an angle of 90° as shown in figure. A ray of light falls on the mirror M 1 at angle 60° and after reflection, falls on the other mirror M 2 from which it get reflected by angle i. The value of third angle is?