Default Title

Question (11)

QN0033932

If the direction of a torch is changed while shining on a toy, what happens to its shadow?

(A) Only the colour changes.
(B) The direction of the shadow changes.
(C) The toy disappears.
(D) Nothing changes.

Correct Answer: B

Explanation:

The shadow always forms opposite to the light source.

Link:

Report Error

Question (12)

QN0033933

An ancient person wanted to estimate time without a clock. Which device could be used?

(A) Telescope
(B) Calendar
(C) Sundial
(D) Compass

Correct Answer: C

Explanation:

A sundial tells time using the position of shadows.

Link:

Report Error

Question (13)

QN0033934

Which observation is most likely during the early morning?

(A) Very short shadows
(B) Long shadows
(C) No shadows
(D) Circular shadows only

Correct Answer: B

Explanation:

The low position of the Sun produces long shadows.

Link:

Report Error

Question (14)

QN0033935

Sara noticed that her shadow at 4 p.m. was longer than at 1 p.m. Why?

(A) She became taller.
(B) The Sun was lower in the sky.
(C) The Earth became bigger.
(D) The wind stretched the shadow.

Correct Answer: B

Explanation:

As the Sun moves lower, shadows become longer.

Link:

Report Error

Question (15)

QN0033936

Which pair is correctly matched?

(A) Amavasya — Full Moon
(B) Poornima — No Moon
(C) Eid — First visible Moon after New Moon
(D) Diwali — Full Moon

Correct Answer: C

Explanation:

Eid is celebrated when the first crescent Moon is seen after Amavasya.

Link:

Report Error

Question (16)

QN0033937

A student observed the Moon every night for a month. Which conclusion is correct?

(A) The Moon always has the same shape.
(B) The Moon changes its apparent shape over time.
(C) The Moon disappears forever after Amavasya.
(D) The Moon shines only on festivals.

Correct Answer: B

Explanation:

Different Moon phases are seen on different nights.

Link:

Report Error

Question (17)

QN0033938

Which situation would produce the largest shadow of a football?

(A) The football is very close to the torch.
(B) The football is very far from the torch.
(C) The torch is switched off.
(D) The football is kept in sunlight at noon.

Correct Answer: A

Explanation:

Bringing an object closer to the light source makes the shadow larger.

Link:

Report Error

Question (18)

QN0033939

Which activity is most suitable for observing patterns of stars?

(A) Bright afternoon
(B) Rainy noon
(C) Clear night
(D) Early morning after sunrise

Correct Answer: C

Explanation:

Stars are best observed on clear nights.

Link:

Report Error

Question (19)

QN0033940

Vikram's shadow was 2 m long in the morning and 0.5 m long at noon. Which statement is correct?

(A) Vikram became shorter.
(B) The Sun's position changed.
(C) The ground became uneven.
(D) The shadow was measured incorrectly.

Correct Answer: B

Explanation:

The changing position of the Sun changes the length of shadows.

Link:

Report Error

Question (20)

QN0033941

Which statement best summarizes the chapter?

(A) The sky remains the same throughout the day.
(B) Only the Moon changes its appearance.
(C) The appearance of the sky, shadows and Moon changes with time.
(D) Shadows are formed only at night.

Correct Answer: C

Explanation:

The chapter explains changes in the sky during the day and night, shadow formation, and changing phases of the Moon.

Link:

Report Error

Question (11)

If the direction of a torch is changed while shining on a toy, what happens to its shadow?

Explanation:

Link:

Question (12)

An ancient person wanted to estimate time without a clock. Which device could be used?

Explanation:

Link:

Question (13)

Which observation is most likely during the early morning?

Explanation:

Link:

Question (14)

Sara noticed that her shadow at 4 p.m. was longer than at 1 p.m. Why?

Explanation:

Link:

Question (15)

Which pair is correctly matched?

Explanation:

Link:

Question (16)

A student observed the Moon every night for a month. Which conclusion is correct?

Explanation:

Link:

Question (17)

Which situation would produce the largest shadow of a football?

Explanation:

Link:

Question (18)

Which activity is most suitable for observing patterns of stars?

Explanation:

Link:

Question (19)

Vikram's shadow was 2 m long in the morning and 0.5 m long at noon. Which statement is correct?

Explanation:

Link:

Question (20)

Which statement best summarizes the chapter?

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY