Concave reflectors are placed behind the speaker in an auditorium to help direct sound waves towards the audience. The concave shape helps to focus and amplify the sound, improving overall acoustics in the space. This setup ensures that the audience receives clear and evenly distributed sound throughout the auditorium.
The object should be placed beyond the focal point of the concave mirror. This will produce a larger, magnified image located behind the mirror. By positioning the object past the focal point, the reflected rays will converge to form an image that is larger compared to the object.
A staircase mirror on a bus is typically concave, as it curves inward to provide a wider field of view for the driver to see passengers behind them on the bus. The concave shape helps to eliminate blind spots and improve visibility for the driver.
Since the image is virtual and appears behind the mirror, the focal point of the concave mirror is also located behind the mirror. This indicates that the focal point is a positive value, based on the mirror's characteristics.
A concave lens is thinner at the center than at the edges, causing light rays passing through it to diverge. This divergence is due to the fact that the concave shape causes the light rays to spread out, making them appear to be coming from a virtual focal point behind the lens.
Yes, concave lenses have negative focal lengths. This is because the focal point for a concave lens is located behind the lens itself, causing light rays to diverge.
Scout forgets her shoes while at the auditorium. She leaves them behind as she is in a rush to get home.
The speaker was annoyed in the poem "At the Theatre, The Lady Behind You" because the lady behind them kept making noise, talking, and rustling her program, distracting the speaker from enjoying the performance. This behavior disrupted the speaker's concentration and appreciation of the play, leading to their annoyance.
Reflectors on the back of a costume, as well as on the heels and sides of sneakers, are the best places for reflectors on a costume. A car approaching the person in costume from behind then has more of a chance of seeing that person. For young children who are unaware of road rules, it is imperative to make them visible to all drivers.
A concave mirror has a virtual focus. This is because the rays of light that are incident on a concave mirror are reflected and appear to diverge from a point behind the mirror, creating a virtual focus.
hang curtains behind the orchestra
The object should be placed beyond the focal point of the concave mirror. This will produce a larger, magnified image located behind the mirror. By positioning the object past the focal point, the reflected rays will converge to form an image that is larger compared to the object.
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The Speaker of the House is the second in line of succession behind the vice president.
A staircase mirror on a bus is typically concave, as it curves inward to provide a wider field of view for the driver to see passengers behind them on the bus. The concave shape helps to eliminate blind spots and improve visibility for the driver.
Remove speaker grill, remove screw holding speaker, screws to the mirror are behind speaker
False. A concave lens usually produces virtual images. Concave lenses cause light rays to diverge, so the image formed is located behind the lens and cannot be projected onto a screen.