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Science Match The Following.

PHYSICS CH6 Light · Tamil Nadu Board STD 9 (Tamil - English Medium). 5 questions.

Questions

Match The Following.

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5 questions · timed · auto-graded

Question 14 Marks
Match the following.
1. Ratio of height of image to height of object. Concave mirror
2. Used in hairpin bends in mountains. Total internal reflection
3. Coin inside water appearing slightly raised. Magnification
4. Mirage Convex mirror
5. Used as Dentist’s mirror. Refraction
Answer
1. Ratio of height of image to height of object. Magnification
2. Used in hairpin bends in mountains. Convex mirror
3. Coin inside water appearing slightly raised. Magnification
4. Mirage Refraction
5. Used as Dentist’s mirror. Concave mirror
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Question 24 Marks
S.No.Position of objectPosition of imageSize and nature of image
1Within focusa) Between F and CA) Magnified, Real, inverted
2At focus Fb) At CB) Magnified, virtual, erect
3Between F and Cc) Behind the mirrorC) Diminished, Real, inverted
4At Cd) Infinity D) Highly Diminished, Real,

 inverted 
5Beyond Ce) At F E) Highly Magnified, Real,

 inverted 
6At infinityf) Beyond CF) Same size, Real, inverted
Answer
S.No.Position of objectPosition of imageSize and nature of image
1Within focusc) Behind the mirrorB) Magnified, virtual, erect.
2At focus Fd) Infinity E) Highly Magnified, Real,

 inverted. 
3Between F and Cf) Beyond CA) Magnified, Real, inverted.
4At Cb) At CF) Same size, Real, inverted.
5Beyond Ca) Between F and CC) Diminished, Real, inverted.
6At infinitye) At F D) Highly Diminished, Real,

 inverted. 

 

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Question 34 Marks
Column IColumn II
(i) plane mirror(a) Focal length is positive.
(ii) concave(b) Focal length is negative.
(iii) convex(c) Focal length is infinity.
(iv) Real image(d) Magnification if positive value.
(v) Virtual image(e) Magnification if negative value.
Answer
Column IColumn II
(i) plane mirror(c) Focal length is infinity.
(ii) concave(b) Focal length is negative.
(iii) convex(a) Focal length is positive.
(iv) Real image(e) Magnification if negative value.
(v) Virtual image(d) Magnification if positive value.

 

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Question 44 Marks
Column IColumn II
(i) r > 90(a) Light gazes the surface of separation between two mode.
(ii) r = 90(b) No refraction.
(iii) r < 90(c) Refracted ray away from the normal
Answer
Column IColumn II
(i) r > 90(b) No refraction.
(ii) r = 90(a) Light gazes the surface of separation between two mode.
(iii) r < 90(c) Refracted ray away from the normal

 

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Question 54 Marks
Column IColumn II
(i) A plane mirror(a) Image is erect & smaller in size than the object.
(ii) A concave mirror(b) Image is erect & of the same size as of the object.
(iii) A convex(c) Used by dentists to see an enlarged images of teeth.
 (d) Can form images of objects spread over a large area.
Answer
Column IColumn II
(i) A plane mirror(b) Image is erect & of the same size as of the object.
(ii) A concave mirror(c) Used by dentists to see enlarged image of teeth.
(iii) A convex(d) Can form image of objects spread over a large area.

 

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Match The Following. - Science STD 9 Questions - Vidyadip