CTET Solved Paper - RTET Feburary 2011 Paper2
132. Heat required to increase 1°C temperature of 1 kg
- Option : D
- Explanation : 1000 calories required to increase 10 C temperature of 1 kg.
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133. Image formed by a convex spherical lens is
- Option : A
- Explanation : Image formed by a convex spherical lens is imaginary and erect.
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- Option : B
- Explanation : Reflected ray will rotate by an angle 2θ.
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135. A patient of hypermetropia is given spectacles of
- Option : C
- Explanation : The defect of hypermetropia can be corrected by using convex lens.
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