Download App

Light – Reflection and Refraction — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceLight – Reflection and Refraction1 Mark
MCQ
A spherical mirror to be made from a cut portion of:
  • A
    Hollow sphere of glass.
  • B
    Solid sphere of plastic.
  • C
    Solid sphere of glass.
  • D
    Hollow sphere of metal.
✓

Answer

  1. Hollow sphere of glass.

Explanation:

A spherical mirror is a mirror which has the shape of a piece cut out of a spherical surface. There are two types of spherical mirrors: concave, and convex. These are illustrated. The most commonly occurring examples of concave mirrors are shaving mirrors and makeup mirrors.

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-[Phy-1M]" from Light – Reflection and Refraction→Light – Reflection and Refraction — all question types→Science STD 10 question papers→CBSE Board STD 10 question papers→CBSE Board question paper generator→

Similar questions

The flow of the electric current through a metallic conductor is:
→
If the distance of the far point for a myopia patient is doubled, the focal length of the lens required to cure it will become:
→
The power of accommodation is achieved by by changing:
→
The image formed by a concave mirror is real, inverted and highly diminished (much smaller than the object). The object must be:
  1. Between pole and focus.
  2. At focus.
  3. At the centre of curvature.
  4. At infinity.
→
A TV set consumes an electric power of 230 watts and runs on 230 volts mains supply. The correct fuse for this TV set is:
→
An object is placed at the following distances from a concave mirror of focal length 15cm, turn by turn:
  1. 35cm
  2. 30cm
  3. 20cm
  4. 10cm
Which position of the object will produce:
  1. A magnified real image?
  2. A magnified virtual image?
  3. A diminished real image?
  4. An image of same size as the object?
→
The term " accommodation" as applied to the eye, refers to its ability to:
  1. Control the light intensity falling on the retina.
  2. Erect the inverted image formed on the retina.
  3. Vary the focal length of the lens.
  4. Vary the distance between the lens and retina.
→
When an electric lamp is connected to 12V battery, it draws a current of 0.5A. The Power of the lamp is:
→
A 3-pin mains plug is fitted to the cable for a 1 kW electric kettle to be used on a 250 V a.c. supply. Which of the following statements is not correct?
  1. The fuse should be fitted in the live wire.
  2. A 13 A fuse is the most appropriate value to use.
  3. The neutral wire is coloured black.
  4. The green wire should be connected to the earth pin.
→
Which of the following units could be used to measure electric charge?
  1. Ampere.
  2. Joule.
  3. Volt.
  4. Coulomb.
→