Friday, October 15, 2021

Light-Reflection and Refraction | Class 10 | Activity 10.4 with Solution

Light-Reflection and Refraction | Activities in Text Book with Solution

Activity 10.4

Draw neat ray diagrams for each position of the object shown in Table 10.1.

Table 10.1: Image formation by a concave mirror for different positions of the object

Position of the object

Position of the image

Size of the image

Nature of the image

(a) At infinity

At the focus F

Highly diminished,
point-sized

Real & inverted

(b) Beyond C

b/w F & C

Diminished

Real & inverted

(c) At C

At C

Same size

Real & inverted

(d) b/w C & F

Beyond C

Enlarged

Real & inverted

(e) At F

At infinity

Highly enlarged

Real & inverted

(f) b/w P & F

Behind the mirror

Enlarged

Virtual & erect


You may take any two of the rays mentioned in the previous section for locating the image.

✅ Answer:  




Compare your diagram with those given in Fig. 10.7.

✅ Answer: They are same.

Describe the nature, position and relative size of the image formed in each case.
Tabulate the results in a convenient format.

✅ Answer:  

Position of the object

Position of the image

Size of the image

Nature of the image

At infinity

At the focus F

Highly diminished,
point-sized

Real & inverted

Beyond C

b/w F & C

Diminished

Real & inverted

At C

At C

Same size

Real & inverted

b/w C & F

Beyond C

Enlarged

Real & inverted

At F

At infinity

Highly enlarged

Real & inverted

b/w P & F

Behind the mirror

Enlarged

Virtual & erect


No comments:

Post a Comment