Download App

Light — Science STD 8 — Question

Gujarat BoardEnglish MediumSTD 8ScienceLight1 Mark
MCQ
A parallel beam of light is incident on a converging lens parallel to its principal axis. As one moves the source of light away from the lens on its principal axis, the intensity of light.
  • A
    Remains constant.
  • B
    Continuously increases.
  • ✓
    Continuously decreases.
  • D
    First increases than decreases.
✓

Answer

Correct option: C.
Continuously decreases.
In the given situation, the intensity of light decreases continuously with increase in distance.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q. [I MARKS]" from Light→Light — all question types→Science STD 8 question papers→Gujarat Board STD 8 question papers→Gujarat Board question paper generator→

Similar questions

Which of the following system of irrigation is preferred for the uneven land?
→
Coal was formed over a long period of time under high pressure and temperature conditions by the decomposition of dead vegetation. This process of conversion of dead vegetation to coal is known as.
→
Viviparous organisms are the ones which,
→
Bakelite is an example of:
→
After the Sun, the next nearest star to the Earth is:
→
An object vibrates with a frequency of $15$ hertz. Which of the following is true:
→
The legal age for the marriage of boys in our country is:
→
Which of the following terms is used to describe the species of plants and animals that are found exclusively in a particular area called?
→
Which of the following should an adolescent choose for his/her meal?
→
Metals react with hydrogen $($no heating$)$ form.
→