Question

18S
D) Give one-word answers for the following.
i. The sound cause by lighting
ii. The flow of water beneath the Earth's surface through tiny pores in the soil.
iii. An object that does not emit light of its own.
iv. The property of light travelling in straight lines.
VThe dark are formed when an opaque object obstructs the path of light.
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Answer 1

Explanation:

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1) The sound cause by lighting is THUNDER.

2) The flow of water beneath the Earth's surface through tiny pores in the soil is GROUND WATER.

3)An object that does not emit light of its own is NON-LUMINOUS OBJECTS.

4)The property of light travelling in straight lines is RECTILINEAR PROPAGATION OF  LIGHT.

5)The dark are formed when an opaque object obstructs the path of light is SHADOWS.