Assessment in General Physics 2 - Quarter 4
Quiz by KIM CIARA SANTOS
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- Q1
The phenomenon of inducing a voltage by changing the magnetic field around a conductor is called __________.
electromagnetic induction
transformer induction
Faraday’s induction
generated voltage
300s - Q2
By accelerating the magnet inside the coil, the current in it will _________.
decrease
increase
remain constant
reverse
300s - Q3
A square loop of wire with 10 turns and a side length of 1 m is placed in a changing magnetic field. If the magnetic field changes from 2 T to 4 T within 8 seconds, what is the average induced emf?
2.90 V
0.648 V
2.50 V
0.226 V
300s - Q4
A 500-turn solenoid develops an average induced voltage of 60 V. Over what time interval must a flux change by 0.06 Wb occur to produce such a voltage?
5 s
0.5 s
0.1 s
0.01 s
300s - Q5
Faraday’s laws of electromagnetic induction are related to:
the strength of a magnetic field
the electromagnetic field of a generator
the electromagnetic field of a chemical cell
the current flowing in a conductor
300s - Q6
How can you tell one form of electromagnetic energy from another?
amplitude
speed
color
wavelength
300s - Q7
The region of the electromagnetic spectrum where humans can detect electro magnetic radiation is____________.
X-ray
ultraviolet
infrared
visible light
300s - Q8
Electro magnetic energy can be described by ____________.
amplitude
energy and frequency
amplitude, frequency and speed
speed
300s - Q9
Which of the following color has the longest wavelength?
red
green
yellow
blue
300s - Q10
In _______, a wave reaches a boundary and changes direction as it passes into another medium
refraction
reflection
interference
diffraction
300s - Q11
Which describes the refracted ray when light at a certain angle passes from a less dense to a denser medium?
The refracted ray is in the normal line.
Light travels straight on.
The refracted ray moves away from the normal line.
The refracted ray moves towards the normal line.
300s - Q12
A ray of light travels from air into liquid at an angle of incidence of 30degrees. If it is deviated by 10 degrees, what is the index of refraction of light in the liquid?
1.2
1.35
3.9
1.5
300s - Q13
Suppose a layer of oil (refractive index is 1.45) floats on water (refractive index is1.33). If a ray of light shines onto the oil with an incidence angle of 40 degrees , what is the angle formed between the ray and the surface of the water?
26.2 degrees
28.9 degrees
25.4 degrees
26.9 degrees
300s - Q14
How a ray is refracted at the interface between two materials of different indices or refraction (n1 and n2) is given by __________.
Snell’s Law
Lenz Law
Huygen’s Principle
Malus’ Law
300s - Q15
It is the force of attraction and repulsion of a magnetic material due to the arrangement of its atoms, particularly its atoms.
Electricity
Electromagnetism
Magnetism
Induction
300s