Physics, 21.01.2022 16:50 Giabear23

1)Pitch is measure of the of sound. (a) amplitude (b) wavelength (c) time period (d) frequency

2)A book placed on a shelf can be seen from any part of that room due to .

(a) regular reflection

(b) clear reflection

(c) diffused reflection

(d) parallel reflection

3)Two mirrors A and B are placed at right angles to each other. A ray of light incident

on mirror A at an angle of 25° falls on mirror B after reflection. The angle of reflection

for the ray reflected from mirror B would be

Answers: 2

Show answers

Other questions on the subject: Physics

Physics, 22.06.2019 04:30, tinytoonjr8052

Light from the sun reaches the earth in 8.3 minutes. the velocity is 3.00 x 10^8 m/s. how far is earth from the sun? i know how to get to d = (3 x 10^8 m/s)(498 sec). i just don't know how to get from there to the answer being 1.5 x 10^11 m.

Answers: 3

continue

Physics, 22.06.2019 06:30, marciamwilliamp31fz6

The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?

Answers: 2

continue

Physics, 22.06.2019 10:20, coollid876

What determines the amount of inertia an object has

Answers: 2

continue

Physics, 22.06.2019 19:30, bri1334

Listed below are the measured radiation absorption rates (in w/kg) corresponding to 11 cell phones. use the given data to construct a boxplot and identify the 5-number summary. 1.16 0.85 0.69 0.75 0.95 0.93 1.18 1.17 1.42 0.54 0.57 the 5-number summary is nothing, nothing, nothing, nothing, and nothing, all in w/kg. (use ascending order. type integers or decimals. do not round.)

Answers: 3

continue

You know the right answer?

1)Pitch is measure of the of sound. (a) amplitude (b) wavelength (c) time period (d) frequency