Download App

Ray Optics and Optical Instruments — Physics STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 SciencePhysicsRay Optics and Optical Instruments1 Mark
MCQ

Comparing real and virtual images, we may say that:

  • A
    Real images can not be obtained on a screen and virtual images can be.
  • B
    Virtual images can not be obtained on a screen and real images can be.
  • C
    Both real and virtual images can be obtained on a screen.
  • D
    Neither real nor virtual images can be obtained on a screen.
✓

Answer

  1. Virtual images can not be obtained on a screen and real images can be.

Explanation:

Real images can be obtained on a screen. On-screen rays meet in real.

Virtual images can not be obtained on a screen. Because there is no meaning of screen for the virtual image.

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 (1 Marks)" from Ray Optics and Optical Instruments→Ray Optics and Optical Instruments — all question types→Physics STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

A hot liquid is kept in a big room. Its temperature is plotted as a function of time. Which of the following curves may represent the plot?

→

A stream of electrons is projected horizontally to the right. A straight conductor carrying a current is supported parallel to electron stream and above it. If the current in the conductor is from left to right then what will be the effect on electron stream 

(a) The electron stream will be pulled upward

(b) The electron stream will be pulled downward

(c) The electron stream will be retarted

(d) The electron beam will be speeded up towards the right
→

The same mass of copper is drawn into two wires 1 mm and 2 mm thick. Two wires are connected in series and current is passed through them. Heat produced in the wire is in the ratio

(a) 2 : 1

(b) 1 : 16

(c) 4 : 1

(d) 16 : 1
→
When a drop of oil is spread on a water surface, it displays beautiful colors in daylight because of:
→

The particles which can be added to the nucleus of an atom without changing its chemical properties are called

(a) Electrons

(b) Protons

(c) Neutrons

(d) None of the above
→
An AC source rated 100V (rms) supplies a current of 10A (rms) to a circuit. The average power delivered by the source:
→
When a body is charged by induction, then the body.
→

Two concentric coils each of radius equal to 2π cm are placed at right angles to each other. 3 ampere and 4 ampere are the currents flowing in each coil respectively. The magnetic induction in   at the centre of the coils will be (

(a) 5 

(b) 7  

(c) 12  

(d)   
→
Two atoms of the same element are found to have different number of neutrons in their nuclei. These two atoms are:
→

A magnet of magnetic moment M and pole strength m is divided in two equal parts, then magnetic moment of each part will be

(a) M

(b) M/2

(c) M/4

(d) 2M
→