Physics (NSTSE Class 6): Questions 67 - 74 of 74

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Question number: 67

» Physics » Work and Energy

MCQ▾

Question

Which of the following convert electrical energy to heat energy?

Choices

Choice (4) Response
a.

TV

b.

Turbine

c.

Iron

d. None of the above

Question number: 68

» Physics » Work and Energy

MCQ▾

Question

Thermal and light energy from sun stored in plants as ________and ________energy.

Choices

Choice (4) Response
a.

Chemical – potential energy

b.

Magnetic – electrical energy

c.

Electrical – mechanical energy

d.

Chemical – kinetic energy

Question number: 69

» Physics » Work and Energy

MCQ▾

Question

Calculate the work done when a 5N force moves an object through distance of 15 m.

Choices

Choice (4) Response
a.

20 J

b.

75 J

c.

10 J

d.

3 J

Question number: 70

» Physics » Work and Energy

MCQ▾

Question

Which of the following energy possesses a flying helicopter in the sky?

Choices

Choice (4) Response
a.

Kinetic energy but not potential energy

b.

Potential energy but not kinetic energy

c.

Potential and kinetic energy

d. All of the above

Question number: 71

» Physics » Work and Energy

MCQ▾

Question

Calculate the potential energy when mass of a body is 12 kg and height is 5 meter, (g = 9.8 ms2).

Choices

Choice (4) Response
a.

398 J

b.

588 J

c.

568 J

d.

445 J

Passage

Direction: Study the following graph and answer questions below.

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Created with Highcharts 4.2. 5MansHeight in metersMans vs. Height in metersHeight in metersLandABCDEWater0255075100125EHeight in meters: 100

A man has strange ability to jump from any height to another with ease. The man jumps to A then to B, C, D, E and then into water.

Question number: 72 (1 of 3 Based on Passage) Show Passage

» Physics » Work and Energy

MCQ▾

Question

When will he have the lowest potential energy?

Choices

Choice (4) Response
a.

On E

b.

On A

c.

On C

d.

On D

Question number: 73 (2 of 3 Based on Passage) Show Passage

» Physics » Work and Energy

MCQ▾

Question

Which place will he hit with the highest energy upon landing?

Choices

Choice (4) Response
a.

On water

b.

On C

c.

On E

d.

On A

Question number: 74 (3 of 3 Based on Passage) Show Passage

» Physics » Work and Energy

MCQ▾

Question

For which jump he will require less energy?

Choices

Choice (4) Response
a.

C to D

b.

Land to A

c.

B to C

d.

E to water

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