If you keep red coloured marbles in a blue coloured vase made of glass then the colour of red coloured marbles will appear

Blue

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Red

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Black

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

White

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D Black
When red coloured marbles are put inside the blue coloured vase, it will appear black because when light is incident on blue coloured vase which is transparent (Glass), it absorbs all the colours of white light except blue, and when blue colour tight incident on red marbles It will absorb blue colour and no light will be emitted by it. So it will appear black.

Suggest Corrections

Similar questions

Q. A glass jar contains 6 red, 5 green, 4 blue, and 5 yellow marbles of same size. Hari takes out a marble of red colour. What is the probability that the chosen marble is of red colour?

Q. A box contains

32

coloured marbles.

8

of them are red marbles and the rest are either blue or green marbles. A marble is drawn at random. Calculate the probability of drawing a marble which is not red in colour.

Q. A bag contains 8 marbles of which 3 are blue and 5 are red. One marble is drawn at random, its colour is noted and the marble is replaced in the bag. A marble is again drawn from the bag and its colour is noted. Find the probability that the marble will be
(i) blue followed by red.
(ii) blue and red in any order.
(iii) of the same colour.

Question 32

A glass jar contains 6 red, 5 green, 4 blue and 5 yellow marbles of same size. Hari takes out a marble of red colour. What is the probability that the chosen marble is of red colour?

(a) $\frac{7}{10}$
(b) $\frac{3}{10}$
(c) $\frac{4}{5}$
(d) $\frac{2}{5}$

Q. A bag contains five green marbles, three blue marbles, two red marbles, and two yellow marbles. One marble is drawn out randomly.
a) Are the four different colour outcomes equally likely? Explain.
b) Find the probability of drawing each colour marble
i.e., P(green), P(blue), P(red) and P(yellow)
c) Find the sum of their probabilities.

Join BYJU'S Learning Program