MCQ Series 40 : optometry and Ophthalmogy MCQ test series
1.When correcting hypermetropia, if Plus lens placed away from eye, the reqired power to correct will be
3. A standard size (1.2mm) pinhole may correct refractive error upto
6. Real images formed by single convex lenses are always________________.
10. In a simple microscope lens used is __________.
1.When correcting hypermetropia, if Plus lens placed away from eye, the reqired power to correct will be
A. Lower
B. Higher
C. Same
D. Higher in case of high hypermetropia
2.Types of visual acuity include all except
A. Minimum visible
B. Minimum separable
C. Maximum resolvable
D. Hyper acuity
3. A standard size (1.2mm) pinhole may correct refractive error upto
A.1D
B. 3D
C. 10D
D. Any power
4. The of AR coating is based on the property
A. Total internal reflection
B. Refraction
C. Diffraction
D. Interference
5. A concave mirror give real image with same size if positioned at
A. Infinity
B. Optical centre
C. Focus point
D. Centre of curvature
6. Real images formed by single convex lenses are always________________.
A.on the same side of the lens as the object
B.inverted
C.erect
D.smaller than the object
7. The focal length of a lens whose power is -1.5 D is _______.
A.-66.66 cm
B.-3/2 m
C.+66.66cm
D.-1.5 m
8. The power of a convex lens of focal length 50 cm is ______.
A.+ 2D
B.+50D
C.+1/50 D
D.+0.5D
9. A convex lens is called _________.
A.converging lens
B.diverging lens
C.both converging and diverging lens
D.refracting lens
10. In a simple microscope lens used is __________.
A.biconvex
B.biconcave
C.plano convex
D.cylindrical
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