Class 12 Physics MCQs – Reflection of Light Online Test Class 12 Physics MCQs - Reflection of Light Online Test Total Questions - 10Total Marks - 10Total Time - 20 Minutes 1 / 10 The image formed by a concave mirror is certainly real if the object is virtual always real certainly virtual if the object is real always virtual 2 / 10 On reflection from a plane surface, the following gets changed – Wavelength Speed Frequency Amplitude 3 / 10 A person is six feet tall. How tall must a plane mirror be if he is able to see his entire length? 3 ft 6 ft 7.5 ft 4.5 ft 4 / 10 A plane mirror is approaching you at 10 cm per second. You can see your image in it. At what speed will your image approach you - 5 cm/s 15 cm/s 10 cm/s 20 cm/s 5 / 10 Which of the following forms a virtual and erect image for all positions of the object? Concave lens Convex mirror Concave mirror Concave lens and Convex mirror both 6 / 10 Critical angle of light passing from glass to water is minimum for violet colour red colour green colour yellow colour 7 / 10 Which of the following phenomena is used in optical fibres ? Total internal reflection Refraction Diffraction Scattering 8 / 10 A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then its focal length will become small, but non-zero become infinite become zero remain unchanged 9 / 10 The field of view is maximum for convex mirror concave mirror cylindrical mirror plane mirror 10 / 10 Mirage is a phenomenon due to total internal reflection of light reflection of light refraction of light diffraction of light. Your score is 0% Restart quiz Share This इन्हे भी पढ़े Physics MCQs for Class 12 – Online Test Post navigation Previous Previous post: HCF and LCM Calculator | Greatest Common Factor (GCF) and Least Common MultipleNext Next post: Class 10th Math – Chapter 2
