MCQ
The image which can not be taken on the screen is called:
- AA real image
- ✓A virtual image
- CEither a real or a virtual image
- DNeither a real nor a virtual image
✓
Answer
Correct option: B.
A virtual image
The image which can not be taken on the screen is called a 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.
Explore more
Similar questions
In the following star circuit diagram (figure), the equivalent resistance between the points A and H will be
An electron (charge $= 1.6 × 10^{-19}$ coulomb) is moving in a circle of radius $5.1 × 10^{-11}\,m$ at a frequency of $6.8 × 10^{15} $ revolutions/sec. The equivalent current is approximately
→The wave theory of light, in its original form, was first postulated by.
Two monochromatic (wavelength $= a/5$) and coherent sources of electromagnetic waves are placed on the $x$ -axis at the points $(2a, 0)$ and $(-a, 0)$. A detector moves in a circle of radius $R( > > 2a)$ whose centre is at the origin. The number of maximas detected during one circular revolution by the detector are
→We have two wires A and B of same mass and same material. The diameter of the wire A is half of that B. If the resistance of wire A is 24 ohm then the resistance of wire B will be
A battery of e.m.f. 10 V is connected to resistance as shown in figure. The potential difference $V_A-V_B$ between the points A and B is
→One side of a glass slab is silvered as shown. A ray of light is incident on the other side at angle of incidence $i = {45^o}$. Refractive index of glass is given as $1.5$. The deviation of the ray of light from its initial path when it comes out of the slab is......$^o$
→Curie temperature is the temperature above which:
A galvanometer gives full scale deflection with $0.006$ A current. By connecting it to a $4990 \ \Omega$ resistance, it can be converted into a voltmeter of range $0-30 \ V$. If connected to a $\frac{2 n }{249} \Omega$ resistance, it becomes an ammeter of range $0-1.5 \ A$. The value of $n$ is:
→A silver ball is suspended by a string in vaccum chamber and ultra violet light of wavelength $200\ nm$ is incident on it. The maximum potential acquired by the ball, if the work function of silver is $4.7\ eV$, will be .............. $V$
→