MCQ
Two plane mirrors are parallel to each other and an object $O$ is placed between them. Then the distance of the first three images from the mirror $M_2$ will be (in $cm$)
- A$5, 10,15$
- B$5, 15, 30$
- ✓$5, 25, 35$
- D$5, 15, 25$
✓
Answer
Correct option: C.
$5, 25, 35$
c
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
A tuning fork is vibrating at $250\, {Hz}$. The length of the shortest closed organ pipe that will resonate with the tuning fork will be ..... ${cm}$
→(Take speed of sound in air as $340\, {ms}^{-1}$ )
If the input voltage $V_i$ to the circuit below is given by $V_i(t)=A \cos (2 \pi f t)$ and the output voltage is given by $V_o(t)=B \cos (2 \pi f t+\phi)$ Which one of the following four graphs best depict the variation of $\phi$ versus $f$ ?
→The spring balance does not read properly after its long use, because
A point source of light, $S$ is placed at a distance $L$ in front of the centre of plane mirror of width $d$ which is hanging vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror, at a distance $2\, L$ as shown below. The distance over which the man can see the image of the light source in the mirror:
→A body of mass 2 kg moving with velocity of $\overrightarrow{\mathrm{V}}_{\mathrm{in}}=3 \hat{\mathrm{i}}+4 \hat{\mathrm{j}} \mathrm{ms}^{-1}$ enters into a constant force field of 6N directed along positive z-axis. If the body remains in the field for a period of $\frac{5}{3}$ seconds, then velocity of the body when it emerges from force field is
→When photon of wavelength ${\lambda _1}$ is incident on a metal surface then speed of ejected fastest electron is $v_1\, m/s$. If photon of wavelength ${\lambda _2}$ incident on the same metal then speed of ejected fastest electron is $v_2\, m/s$. Value of $v_2^2 - v_1^2$ will be
→A tuning fork vibrates with $2$ beats in $0.04$ second. The frequency of the fork is .... $Hz$
→The trajectory of a projectile near the surface of the earth is given as $ y = 2x -9x^2$. If it were launched at an angle $\theta_0$ with speed $v_0$ then $(g = 10\, ms^{-2})$
→What is the respective number of $\alpha $ and $\beta $ particles emitted in the following radioactive decay
→$_{90}{X^{200}}{ \to _{80}}{Y^{168}}$
Why is there a sudden increase in current in Zener diode ?