BITSAT Optics — practice questions
17 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice BITSAT Optics in the app →Which of the following is a natural source of light?Which statement about electromagnetic waves is correct?According to the concept map of reflection of light, which combination of sign conventions is correct for a coWhen an object is moved closer to a concave mirror from $15\,\text{cm}$ to $9\,\text{cm}$, the image becomes 3An object is placed $10\,\text{cm}$ in front of a converging mirror of radius of curvature $15\,\text{cm}$. WhFor the concave-mirror case where $u=-25\,\text{cm}$, $f=-15\,\text{cm}$, and $h_1=+4\,\text{cm}$, what is theAn object $4.0\,\text{cm}$ high is placed $25.0\,\text{cm}$ in front of a concave mirror of focal length $15.0In the convex-mirror example, the magnification is found to be $m=+0.23$. What does this indicate about the imFor a convex mirror of radius of curvature $3.00\,\text{m}$, an object is placed $5.00\,\text{m}$ in front of A spherical mirror produces a magnification of $+1.5$. What can be concluded about the image and the mirror?For a concave mirror, what happens to a ray parallel to the principal axis after reflection?
![](https://qallWhy is a concave mirror called a converging mirror, whereas a convex mirror is called a diverging mirror?
![]Which property is characteristic of the image formed by a plane mirror?
![](https://qallery.app/diagrams/v2_6An object is placed $5\,\mathrm{m}$ in front of a plane mirror. If a camera is used at the object's position tA light ray falls normally on a plane mirror. What happens after reflection?
![](https://qallery.app/diagramsThe figure shows a set of light rays moving toward one point. What kind of beam is represented?
![](https://qWhich statement correctly distinguishes a ray of light from a beam of light?