User Forum

Which of the following statements about light is/are incorrect?
(i)    Speed of light remains constant in all media.
(ii)   Light travels in zig zag path.
(iii)  It undergoes reflection and refraction.

A(i) only
B(ii) only
C(iii) only
D(i) and (ii) only

Read the given statements and select the correct option.
Statement 1 : Rahul placed a coloured plastic bottle in front of the beam of a torch light. Then he placed a transparent sheet of same size on the other side of bottle. No shadow will form on the screen.
Statement 2 : Translucent objects allow light to pass through them partially.

A Both statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
B Both statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
C Statement 1 is true but statement 2 is false.
D Statement 1 is false but statement 2 is true.

Find the missing number if same rule is followed in figures (i), (ii) and (iii).



A14
B15
C16
D19

What is the value of P + Q + R + S?

(a)
(b)
(c)
(d)

Refer to the given flow chart and select the incorrect option.



A Q can be the organ of hearing.
B P can be the organ that helps us to write.
C S can be the organ that pumps blood in our body.
D R can be the organ for digestion.

What are the similarities between the plants bearing the flowers as shown?

(A) They have weak stems.
(B) They have woody stems.
(C) They produce seeds.
(D) They grow along the ground.

A (A) and (B) only
B (A) and (D) only
C (B) and (C) only
D (A), (B) and (C) only

Study the given figure and answer the following questions.

After making a 1/2 clockwise turn followed by 5/8 anti-clockwise turn, Rahul is facing the Church. Where was he facing before he made the turns?

AMall
BAirport
CHospital
DLibrary

If Fig. (X) is rotated one step in a particular direction, then identify its rotated form, from the given option figures.


A
B
C
D

Shreya placed celery stalks into two beakers containing water mixed with red dye, as shown in the given figure. After two days, the stalks were cut at two positions, PQ and RS to observe the parts stained by the red dye in the cross- section PQ and RS respectively.

Which section would get stained with the red dye after two days?


AOnly Q
BQ, R and S
COnly S
DBoth Q and S