Question

Two plane mirrors are at right angles to each other. A man stands between them and combs his hair with his right hand. In how many of the images will he be seen using his right hand

(a) None   

(b) 1

(c) 2  

(d) 3

Answer

(b) 1

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

Similar questions

Light wave is travelling along y - direction. If the corresponding E vector at any time along the x - axis, the direction of B vector at that time is along.
Image

Three capacitors are connected to D.C.  source of 100 volts  shown in the adjoining figure. If the charge accumulated on plates of  and   are  and  respectively, then

(a)  

(b)  

(c)  

(d)

Three charges each of magnitude q are placed at the corners of an equilateral triangle, the electrostatic force on the charge placed at the center is (each side of triangle is L)

(a) Zero  

(b)  

(c)

(d)

Which of the following are non polar molecules:

A 25 W, 220 V bulb and a 100 W, 220 V bulb are connected in parallel across a 440 V line

(a) Only 100 watt bulb will fuse

(b) Only 25 watt bulb will fuse

(c) Both bulbs will fuse

(d) None of the bulbs will fuse

A particle of mass m and charge q enters a magnetic field B perpendicularly with a velocity v. The radius of the circular path described by it will be:
What happens to the magnetic field at the centre of a circular current carrying coil if we double the radius of the coil keeping the current unchanged?

A wire carrying a current i is placed in a uniform magnetic field in the form of the curve y = asin 0 ≤ x ≤ 2L.  The force acting on the wire is

(a)      

(b) iBL 

(c) 2iBL

(d)  Zero

A student connects a coil of wire with a sensitive galvanometer as shown in figure. He will observe the deflection in the galvanometer if bar magnet is:
Image

In Young's double slit interference experiment, the slit separation is made 3 fold. The fringe width becomes

(a) 1/3 times

(b) 1/9 times

(c) 3 times

(d) 9 times