Question

3. What do you call the separation of light into its component colors A polarization.
B. dispersion C. scattering D. diffraction

14. In a grocery store you can easily push a cart with 5 kg sack of nice than a cor with of rice to the counter. Which of these explains the situation

A Law of Inertia C. Law of Acceleration B. Law of interaction D. Law of Universal Gravitation

15. An object that has kinetic energy must be

A. at rest B. elevated c. talling D. moving
16. What is the normal human body temperature (37 °C) in the Kelvin scale?

A. 308 K B. 312 K C. 310K D. 307K

17. A 10 N book is lying at rest on the table. What is the net force acting on the be.

B.ON A. IN 0.9.8N C.10N

18. Why do solids expand slightly when heated?

A. The gaps between the particles get bigger. B. More particles are made by the energy un as they absorb energy 0

(sorry if there spme wrong spelling i just scan it)​

Answer 1

Answer:

3. dispersion

16.310k

17.zero

18.on heating ke of the atom increase and hence they are able to vibrate over a larger distance and hence their size increases.

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