Test-MCQ Class 10-NCERT -Science-Chapter 10-Test-3 Chapter 10: Light – Reflection and Refraction Multiple Choice Questions No of Questions : 10 Marks: 10 Please enter your email: 1. Mirror that can be chosen to view a tall building in a small mirror is Plano-Convex mirror Plane mirror Concave mirror Convex mirror 2. The power of a lens is -3.5D. The lens is Plano-convex concave Plano-concave Convex 3. How dose light normally travel? in a curved line always toward a dark area in a straight line in concentric circles 4. In case of refraction through a glass slab. Incident ray is parallel to the emergent ray Angle of refraction is equal to the angle of emergence Angle of incidence is equal to the angle of refraction Incident ray is parallel to the refracted ray 5. Your image in a bathroom mirror results from Specular refraction diffuse reflection diffuse refraction Specular reflection 6. Coin placed in a bowl when seen from a place just disappears. When water is poured into the bowl without disturbing the coin , the coin Will not be seen Becomes visible again Appears above the water surface Appears very much deep inside the water 7. The focal length of a concave mirror is 10cm. The position of the object that is useful for getting an enlarged image which can be caught on a screen is Placed at a distance of 4. 5 cmfrom the pole of the mirror Placed at a distance of 35 cmfrom the pole of the mirror Placed at a distance of 5 cm. from the pole of the mirror Placed at a distance of 15 cm from the pole of the mirror 8. Mirror formula is (1/v)-(1/u) =(1/f) M=(h/h) (1/v)+(1/u) =(1/f) M=(v/u) 9. Which type of mirror produces an image that is always erect , always the same height as the object , and always virtual ? concave convex none of this plane 10. light travels fastest through which of the following materials? glass Air water diamond Please Enter Your Name, School Name & Class in the given below box and submit: ( results will be shown on this page within few moments after submit ) Loading … Question 1 of 11
