Which of the following is NOT true ?

Sound waves is an example of longitudinal waves. Heat waves are an example of transverse waves. In interference pattern, the brightness of the bright fringes decreases as we move farther from the central maximum. Solar radiations are unpolarised.

In interference pattern, the brightness of the bright fringes decreases as we move farther from the central maximum.

In interference pattern, all bright fringes have same intensity.