Mirror Images - Clocks
Mirror Images - Clocks
There are certain questions in which the positions of the hour - hand and the minute - hand of a clock as seen in a mirror are given. On the basis of the time indicated by the mirror - image of the clock we have to detect the actual time in the clock. In the solution of such questions, we use the fact that if an object A is the mirror - image of another object B then B is the mirror - image of A. The method of solving such questions would be clear from the following example.
Illustration : In the following question, choose the correct mirror-image of the figure. from amongst the four alternatives (a), (b), (c), and (d) given. Identify the correct mirror image
|
A |
B |
C |
D |
Answer : D
Solution : Figure is laterally inverted.
Illustration : Looking into a mirror, the clock shows 9 : 30 as the time. The actual time is
A. 2 : 30 B. 3 : 30 C. 4 : 30 D. 6 : 30
Answer : A
Explanation :
In the mirror the clock appears as
Time = 9 : 30
This is the mirror image of the clock shown below :
Time = 2 : 30
(Fig. B is obtained by taking the mirror image of fig. A)
Illustration : In the following question, choose the correct mirror-image of the figure. from amongst the four alternatives (a), (b), (c), and (d) given. Identify the correct mirror image
(a) (b) 
(c) 
(d) None of these
Answer : (c)
Solution : Figure is laterally inverted.
In the above question the mirror image of is .
The big one is minute hand and small one is hour hand The big one is vertical so its mirror image remain same but small one means hour hand is in left side and in image its shifted in right side.
Illustration : In the following question, choose the correct mirror-image of the figure. from amongst the four alternatives (a), (b), (c), and (d) given. Identify the correct mirror image
(a) 
(b) 
(c) 
(d)
Answer : (b)
Solution : Figure is laterally inverted.
In the above question the mirror image of is .
The big one is minute hand and small one is hour hand The big one is vertical so its mirror image remain same but small one means hour hand is in left side and in image its shifted in right side.
Illustration : In the following question, choose the correct mirror-image of the figure. from amongst the four alternatives (a), (b), (c), and (d) given. Identify the correct mirror image
(a) (b) 
(c) 
(d)
In the above question the mirror image of is .
The big one is minute hand and small one is hour hand The big one is vertical so its mirror image remain same but small one means hour hand is in left side and in image its shifted in right side.
Illustration : In the following question, choose the correct mirror-image of the figure. from amongst the four alternatives (a), (b), (c), and (d) given. Identify the correct mirror image
(a)
(b) (c) 
(d) 
Answer : (a)
Solution : Figure is laterally inverted.
In the above question the mirror image of is .
The big one is minute hand and small one is hour hand
The hour hand is in right side and it turns in left side and minute hand in left side is turned in right side.
Illustration : What is the mirror image of 9'o'clock.
(a) 1'o'clock (b) 2'o'clock (c) 3'o'clock (d) 4'o'clock
Answer : (c)
Solution : In the above question the mirror image of 9'o'clock is .
What is the mirror image of | |||
| Right Option : B | |||
| View Explanation | |||
?What is the mirror image of | |||
| Right Option : D | |||
| View Explanation | |||
?What is the mirror image of | |||
| Right Option : C | |||
| View Explanation | |||
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