MCQ
An object shaped as $'L'$ is placed between two parallel plane mirrors as shown. In the first seven closest images, how many laterally inverted images are formed
- A$1$
- B$2$
- C$3$
- ✓$4$
✓
Answer
Correct option: D.
$4$
d
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
$_1{H^1}{ + _1}{H^1}{ + _1}{H^2} \to X + {\;_{ + 1}}{e^0} + $energy. The emitted particle is
→The anode voltage of a photocell is kept fixed. The wavelength $\lambda$, of the light falling on the cathode is gradually changed. The plate current $I$ of the photocell varies as follows
→The energy of a photon of a characteristic $X-$ray from a Coolidge tube comes from:
→Which of the following will have the least value of $\frac{q}{m}$
→Two coherent monochromatic light beams of intensities $I$ and $4I$ are superposed. The maximum and minimum possible intensities in the resulting beam are :
→$X-$ rays are not used for radar purpose because
→In the circuit, given in the figure currents in different branches and value of one resistor are shown. Then potential at point $B$ with respect to the point $A$ is$.......V$
→Some laws/processes are given in Column $I$. Match these with the physical phenomena given in Column $II$ and indicate your answer by darkening appropriate bubbles in the $4 \times 4$ matrix given in the $ORS$.
→| Column $I$ | Column $II$ |
| $(A)$ Transition between two atomic energy levels | $(p)$ Characteristic $X$-rays |
| $(B)$ Electron emission from a material | $(q)$ Photoelectric effect |
| $(C)$ Mosley's law | $(r)$ Hydrogen spectrum |
| $(D)$ Change of photon energy into kinetic energy of electrons | $(s)$ $\beta$-decay |
In a Young's double slit experiment, the slit separation d is $0.3 mm$ and the screen distance $D$ is $1 m$. A parallel beam of light of wavelength $600 nm$ is incident on the slits at angle $\alpha$ as shown in figure. On the screen, the point $O$ is equidistant from the slits and distance $PO$ is $11.0 mm$. Which of the following statement($s$) is/are correct ?
→A magnet is suspended in the magnetic meridian with an untwisted wire. The upper end of wire is rotated through $180^{\circ}$ to deflect the magnet by $30^{\circ}$ from magnetic meridian. When this magnet is replaced by another magnet, the upper end of wire is rotated through $270^{\circ}$ to deflect the magnet $30^{\circ}$ from magnetic meridian. The ratio of magnetic moments of magnets is
→