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131. Property of sublimation is found in
Sodium chloride.
Calcium chloride.
Ammonium chloride.
Magnesium chloride.
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132. Heat required to increase 1°C temperature of 1 kg
1 calorie.
10 calorie.
100 calorie.
1000 calorie.
133. Image formed by a convex spherical lens is
Imaginary and erect.
Real and erect.
Imaginary and inverted.
Real and inverted.
134. For an incident ray of light, if mirror is rotated by an angle θ, then reflected ray will rotate by an angle
θ
2θ
90°
0°
135. A patient of hypermetropia is given spectacles of
Lens of zero capacity.
Compound lens.
Convex lens.
Concave lens.
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