1.
State what is meant by a transverse wave. [1]
JD SCIENCE
P4 Waves and radioactivity
Answer all questions. Show working. Answers are in a separate file on the Worksheets page — do not look at them until you have finished.
2.
State what is meant by a longitudinal wave. [1]
3.
State what is meant by amplitude. [1]
4.
State what is meant by wavelength. [1]
5.
State what is meant by frequency. [1]
6.
State what is meant by wave speed. [1]
7.
State what is meant by the EM spectrum. [1]
8.
State what is meant by reflection. [1]
9.
State what is meant by refraction. [1]
10.
State what is meant by ultrasound. [1]
11.
Grace is asked about a transverse wave in a OCR Physics paper.
(a) Describe a transverse wave. [2]
(b) Explain why a transverse wave is important in this topic. [3]
12.
Grace is asked about a longitudinal wave in a OCR Physics paper.
(a) Describe a longitudinal wave. [2]
(b) Explain why a longitudinal wave is important in this topic. [3]
13.
Grace is asked about amplitude in a OCR Physics paper.
(a) Describe amplitude. [2]
(b) Explain why amplitude is important in this topic. [3]
14.
Grace is asked about wavelength in a OCR Physics paper.
(a) Describe wavelength. [2]
(b) Explain why wavelength is important in this topic. [3]
15.
Grace is asked about frequency in a OCR Physics paper.
(a) Describe frequency. [2]
(b) Explain why frequency is important in this topic. [3]
16.
Grace is asked about wave speed in a OCR Physics paper.
(a) Describe wave speed. [2]
(b) Explain why wave speed is important in this topic. [3]
17.
v = fλ. 200 Hz, 1.7 m [3]
18.
λ if v=3×10⁸ and f=6×10¹⁴ [3]
19.
T = 1/f. f = 50 Hz [3]
20.
A wave travels 60 m in 0.20 s. Speed [3]
21.
How many waves in 4.0 s if f=25 Hz [3]
22.
A ripple has λ=4 cm and f=5 Hz. Speed in m/s [3]
23.
Grace carries out a OCR-style required practical linked to waves. This is a typical OCR required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
24.
Grace carries out collecting valid data for waves. This is a typical OCR required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
25.
Grace carries out drawing a graph for waves. This is a typical OCR required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
26.
Grace carries out evaluating a method about waves. This is a typical OCR required-practical style question.
(a) Identify the independent variable and the dependent variable. [2]
(b) State one control variable and explain why it must be controlled. [2]
(c) Suggest one improvement or source of error and how it affects the result. [2]
27.
Compare a transverse wave with a longitudinal wave. [4]
28.
Compare a longitudinal wave with amplitude. [4]
29.
Compare amplitude with wavelength. [4]
30.
Compare wavelength with frequency. [4]
31.
Apply your knowledge of the EM spectrum to this situation: all travel at c in vacuum [3]
32.
Apply your knowledge of reflection to this situation: angle i = angle r [3]