A. Spherical B. Plane C. Cylindrical D. Circular
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A. Spherical B. Plane C. Cylindrical D. Circular
A. Newton B. Fresnel C. Huygen D. Young
A. Newton B. Fresnel C. Huygen D. Young
A. Concave mirror B. Convex mirror C. Plane mirror D. Concave lens
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A. A converging lens B. A diverging lens C. Neither a converging nor a diverging D. None of these
A. Wavelength B. Frequency C. Velocity D. Amplitude
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A. Negative B. Positive C. Zero D. Infinite
DeepanjaliEnlightened
A. Negative B. Positive C. Zero D. Infinite