Which of the following observations cannot be explained u...
Which of the following observations cannot be explained using the rectilinear propagation of light?
production of images by a pinhole camera
production of real images of objects by lenses
formation of an annular eclipse
diffraction patterns of light
Correct answer is B
No explanation has been provided for this answer.
Which of the following actions will improve the efficiency of the pulley system? ...
A car travelling at a uniform speed of 120km h-1 passes two stations in 4 minutes. Calculate th...
The heat produced in a conductor carrying an electric current is ...
The lead-acid accumulator consists of ...
A source of sound produces waves in air of wavelength 1.65m. If the speed of sound in air ...