MCQ Series 42 : optometry and Ophthalmogy MCQ test series

MCQ Series 42 : optometry and Ophthalmogy MCQ test series

1.Hemeralopia is

A. Inability to see clearly in dim light

B. Inability to see clearly in bright light

C. Inability to see colour

D. Difficulty to read words

2. unit of luminous flux

A. Lux

B. Lumens

C. Lambert

D. Foot candles

3. Subdivision of visual acuity for hyperacuity

A. Minimum visible

B. Minimum resolvable

C. Minimum discrininable

D. None

4. Visual acuity recorded by Snellen's test chart is a measure of

A. Light sense

B. Form sense

C. Contrast sense

D. All

5. Real images formed by a single convex lens is always ..........

A. On the same side of the lens as the object

B. Inverted

C. Erect

D. Smaller than the object

6. 1 D is a power of lens having focal length

A. 100 cm

B. 10 cm

C. 1 cm

D. 1/10 cm

7. SI unit of power of a lens is

A. Diopter

B. Snellen

C. Meter

D. cm

8. The image formed by a plane mirror is always

A. Real and erect

B. Virtual and erect

C. Real and inverted

D. Virtual and inverted

9. One prism dioptre (∆) produces

 displacement of an object by _______.

A.1mm

B.1cm

C. 10cm

D.1m

10. The image produced by a negative lens will not be ______ .

A. real

B.diminished in size

C.erect

D.virtual

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