Sainik School New pattern Class IX
Defence Academy Coimbatore A leading coaching academy for Sainik, Military and RIMC Schools, NDA, IMA, AFCAT SSB, FSB Interview http://www.ssbcoaching.com call 094437 20076 Question 1 Back to Top Question: Light is a form of energy produced by a ______. 1. luminous object 2. transparent object 3. non-luminous object 4. opaque object Answer: 1 Question 2 Back to Top Question: An example for non-luminous object is ___________. 1. a candle 2. the sun 3. an electric bulb 4. the moon Answer: 4 Question 3 Back to Top Question: The phenomenon by which the incident light falling on a surface is sent back into the same medium is known as ________. 1. polarization 2. reflection 3. refraction 4. absorption Answer: 2 Question 4 Back to Top Question: When light is incident on a polished surface ___________ reflection takes place. 1. regular 2. irregular 3. diffused 4. normal Answer: 1 Question 5 Back to Top