The defect of vision in which a person cannot see nearby objects clearly is
A. Astigmatism
B. Presbyopia
C. Hypermetropia
D. Myopia
Answer: Option C
Solution (By JKExamLibrary)
Hypermetropia (farsightedness): near point farther away, difficulty seeing close objects. Corrected with convex lens. Myopia: distant objects blurry. Presbyopia due to aging. Astigmatism due to irregular cornea.
Explanation:
Newton = kg·m/s², derived from base units. Kilogram, second, candela are base units. Derived units expressed in terms of base units. Joule, watt, pascal are also derived.
Explanation:
Boiling occurs when vapour pressure equals atmospheric pressure. At high altitude, atmospheric pressure is lower, so water boils at lower temperature. Pressure cooker increases pressure to raise boiling point for faster cooking.
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