Solve
Guides
0
You visited us 0 times! Enjoying our articles? Unlock Full Access!
Standard XII
Physics
Image Formation
Question

Why is it difficult to differentiate between red and green colour objects in dark or in night?
  1. Cones work well, only during daytime.
  2. Rods work well, only during daytime.
  3. Rods work well, only during night time.
  4. Cones work well, only during night time.

A
Cones work well, only during night time.
B
Rods work well, only during daytime.
C
Cones work well, only during daytime.
D
Rods work well, only during night time.
Open in App
Solution
Verified by Toppr

Cones operate only in bright light, hence the different type of cones (i.e., blue red or green - sensitive) are active during daytime or in presence of light. It is because of this reason, that the person is unable to differentiate green and red colour in night time.

Was this answer helpful?
0
Similar Questions
Q1

Question 7

Which of the following is correct for respiration in plants?
(a) Respiration takes place only during daytime.
(b) Respiration take place only during night.
(c) Respiration takes place both during day and night.
(d) Respiration takes place only when plants are not making food.


View Solution
Q2

blooms only during the daytime.


View Solution
Q3
Why is it difficult to differentiate between red and green colour objects in dark or in night?
View Solution
Q4

As compared to the sea, the land faster during daytime and faster during night-time.
View Solution
Q5
During night time, plants perform _______ only.
View Solution