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Physics
UTME / JAMB 2024
Light & Geometrical Optics
Solution
Rainbow is formed when sunlight undergoes
A
reflection
B
refraction
C
dispersion
D
diffraction
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2024
Light & Geometrical Optics
Solution
An object is placed 25cm in front of a convex mirror has its image formed 5cm behind the mirror. what is the focal length of the convex mirror
A
8.20cm
B
6.25cm
C
5.60cm
D
4.50cm
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2024
Light & Geometrical Optics
Solution
The power of a convex lens of focal length 20cm is
A
0.05D
B
0.50D
C
5.00D
D
50.00D
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2024
Light & Geometrical Optics
Solution
A monochromatic light is one that
A
can undergo dispersion
B
cannot be refracted
C
has one wavelength
D
has many wavelength
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2024
Light & Geometrical Optics
Solution
The diaphragm in the camera is similar to what part of the eyes?
A
Cornea
B
Lens
C
Ciliary muscle
D
Iris
medium Difficulty
Study Explanation
Physics
UTME / JAMB 2023
Light & Geometrical Optics
Solution
The near point of a patient's eye is 50.0 cm. What power (in diopters) must a corrective lens have to enable the eye to see clearly an object 25.0 cm away?
A
2 diopters
B
2.5 diopters
C
0.5 diopters
D
3 diopters
medium Difficulty
Study Explanation