Question 1. Assertion (A): With the increase of temperature, the viscosity of glycerine increases.
Reason (R): Rise of temperature increases kinetic energy of molecules.
Codes

Question 2. A person stands at the middle point of a wooden ladder which starts slipping between a vertical wall and the floor of a room, while continuing to remain in a vertical plane. The path traced by a person standing at the middle point of the slipping ladder is

Question 3. Match List I (Discovery) with List II (Scientists) and select the correct answer from the codes given below the lists.

Question 4. Which one of the following non-metals is not a poor conductor of electricity?

Question 5. Consider the following statements
1.Indira Gandhi Centre for Atomic Research uses fast reactor technology.
2.Atomic Minerals Directorate for Research and exploration is engaged in heavy water production.
3.Indian Rare Earths Limited is engaged in the manufacture of Zircon for India's Nuclear Programme beside other rare earth products.
Which of the statements given above are correct?

Question 6. Consider the following statements A person in a spaceship located half way between the earth and the sun will notice that the
1.Sky is jet black.
2.Stars do not twinkle.
3.Temperature outside the spaceship is much higher than that on the surface of the earth.

Question 7. The clouds float in the atmosphere because of the low

Question 8. It S denotes sound energy, E denotes electrical energy and M denotes magnetic energy, the correct representation of recording and reproduction in an audio tape recorder is

Question 9. When a CD (compact disc used in audio and video systems) is seen in sunlight, rainbow like colours are seen. This can be explained on the basis of the phenomenon of

Question 10. Match List I (Physical Quantity) with List II (Units) and select the correct answer from the codes given below the lists:
 
Codes: