Which of the following angles between two mounted plane mirrors will give more images

Question 8 Exercise 7B

Next

Answer:

(a) The number of images formed when an object is placed between the two plane mirrors at an angle of 90°, is 3. Three images are formed.

We know that two mirrors kept perpendicular to each other, produce three images for an object that is placed in between them.

i.e, the angle between two mirrors is 60°, n=360°/90° = 4, number of images = n-1 = 4-1 = 3.

(b) The number of images formed if an object is placed between two plane mirrors with an angle of 60°, is five. Five images are formed:

i.e, the angle between two mirrors is 60°, n=360°/60° = 6, number of images = n-1 = 6-1 = 5.

Was This helpful?

Using a graphic organizer, define and characterize a productive citizen

Give me an example of a vehicle that can move on Land and water​

what is the relevance of the studying concept and terms in logic to me as a student of Criminology?​

A projectile of mass 2 kg is fired with a speed of 20 m/s at an angle of 30° with respect to the horizontal. ​

Which of these ratios gives the value of viscosity of fluid? a. Ratio of the shearing stress to the weight of the fluid b. Ratio of the shearing stres … s to the density of the fluid c. Ratio of the velocity gradient and shearing stress d. The ratio of the shearing stress to the velocity gradient

When one coil of a magnetically coupled pair has a current of 5 a?

The ratio of the actual velocity of a fluid to the local speed of sound in the fluid is

The net force acting on a 130-lb scege student is 5 lb, where acceleration due to gravity g

The kinetic-molecular theory predicts that pressure rises as the temperature of a gas increases because __________.

The jet discharges water at the rate of 0.10 m3 /s and at a speed of 18 m/s on a stationary plate. determine the force on the plate.