Why is the image on the diaphragm of the pinhole camera inverted ?

Which type of muscle is the diaphragm of the respiratory system?

Why does obtaining the image of the Sun on a paper with the help of a concave mirror bum the paper?

Give scientific reasons: Why does obtaining the image of the sun on a paper with the help of a concave mirror burn the paper?

Draw a well-labelled diagram of image seen in the pinhole camera.

The part of an eye which acts as diaphragm of photographic camera is

In Young's experiment, the pinholes are illuminated, by a monochromatic light of wavelength 5200 overset (@)(A) . A screen is placed at 1 m from the slit. If the pinholes are 1.3 mm apart, find i)fringe width ii) the distance between the seventh bright band on one side and sixth dark band on the other side of the central bright band.

Rajashree wants to get an inverted image of height 5 cm of an object kept at a distance of 30 cm from a concave mirror. The focal length of the mirror is 10 cm. At what distance from the mirror should she place the screen ? What will be the type of the image, and what is the height of the object?