PHYSICAL SCIENCES key

CLASS: 10 SUBJECT: PHYSICAL SCIENCES

PART-A

SECTION-I

1) Temperature is a measure of how hot or cold something is; specifically, a measure of the

average kinetic energy of the particles in an object-----------------1/2M

2) D

3) 11-----------1/2M

4) Ca(OCl)2 ---------------1/2M

5) Another centre of curvature ----------------1/2M

6) n1sini = n2sinr ------1/2M

7) 0.5 dioptre ------1/2M

8) Scattering of light ------1/2M

9) A

10) Refraction ------1/2M

11) A

12) Water--------1/2M