Which of the following is called as non- mechanical waves?

Related MCQs

• Mechanical waves are called elastic waves.
• A radio station broadcasts its programme at 219.3 metre wavelength. Determine the frequency of radio waves if velocity of radio waves is 3×108 m/s.
• What are the essential properties a medium must possess for the propagation of mechanical waves?
• Which of the following waves can be transmitted through solids, liquids and gases?
• Which of the following is also known as pressure waves?
• Transverse waves can be formed in fluids.
• For an aluminium the modulus of rigidity is 2.1×1010 N/m2 and density is 2.7×103 kg/m3. Find the speed of transverse waves in the medium.
• For destructive interference to take place, the path difference between the two waves should be:
• Stress should not exceed        when in mechanical working
•            converts mechanical energy into hydraulic energy.