Question

make the statements true or false
1)spectrum is a band of seven colour like VIBGYOR concave mirror form.
2) the amplitude of sound depend upon the force applied in vibrating the sound producing object.
3)Concave mirror form real , inverted image and equal to size of the object.
4)Sound waves travel faster in air than in water.
5)when light travels from optically rarer to optically denser medium it bend away from normal.
6)focal length is twice of radius of curvature.
7)The unpleasant sound is called noise.
8)woman have loud voice in comparison to man.
9)Sound wave do propagate in vaccum.
10) convex mirrors diverging mirror. ​

Answer 1

Answer:

1) True

Explanation:

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