IB IB Physics 2

Question 1

What type of wave is sound classified as in IB Physics?

Accepted Answer

Longitudinal

Answer

Transverse

Answer

Electromagnetic

Answer

Surface

Question 2

Which equation correctly relates frequency (f) and period (T)?

Accepted Answer

f = 1/T

Answer

f = T

Answer

f = T²

Answer

f = 2πT

Question 3

What is the speed of light in a vacuum, as listed in the IB Physics data booklet?

Accepted Answer

3.0 × 10⁸ m/s

Answer

3.0 × 10⁶ m/s

Answer

3.0 × 10¹⁰ m/s

Answer

3.0 × 10⁴ m/s

Question 4

What does Ohm's Law state about the relationship between voltage (V), current (I), and resistance (R)?

Accepted Answer

V = IR

Answer

V = I/R

Answer

V = I²R

Answer

V = R/I

Question 5

What is the SI unit of electrical resistance?

Accepted Answer

Ohm

Answer

Ampere

Answer

Volt

Answer

Siemens

Question 6

Which of Kirchhoff's laws states that the total current entering a junction equals the total current leaving it?

Accepted Answer

Kirchhoff's Current Law

Answer

Ohm's Law

Answer

Kirchhoff's Voltage Law

Answer

Faraday's Law

Question 7

When light passes from air into glass, which wave property changes?

Accepted Answer

Speed and wavelength

Answer

Frequency

Answer

Frequency and speed

Answer

Wavelength only