Physics Round

Physics Round

8th Grade

20 Qs

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Physics Round

Physics Round

Assessment

Quiz

Physics

8th Grade

Practice Problem

Hard

Created by

Prabin Bharadwaj

Used 2+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which is the first step of a scientific study?

वैज्ञानिक अध्ययनको पहिलो चरण कुन हो?

Analysis

विश्लेषण

observation

अवलोकन

testing

परिक्षण

Hypothesis

परिकल्पना

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the value of atmospheric pressure at sea level?

समुद्री सतहमा वायुमण्डलीय चाप कति हुन्छ ?

760 mmHg

700 mmHg

1000 mmHg

750 mmHg

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the range of frequency of audible sound?

अडिवल ध्वनिको आवृत्तिको दायरा कति हो ?

2 Hz to 20 Hz

20Hz to 20 kHz

2 Hz to 200 kHz

2 Hz to 200 Hz

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the unit of work done?

कार्यको एकाइ के हो?

Joule

जुल

Watt

वाट

Newton

न्युटन

Pascal

पास्कल

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for calculating kinetic energy?

गति शक्ति निकाल्ने सूत्र कुन हो ?

mg

mgh

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following is a vector quantity?

तलका मध्ये कुन भेक्टर परिमाण कुन हो ?

Speed

Distance

Velocity

Energy

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Theoretically, the working principle of lever E×E.D=L×L.D idealizes;

तलका मध्य उत्तोलकको कार्य सिद्धान्त E×E.D=L×L.D ले कुन कुरा अपेक्षा गर्छ;

Mechanical advantage is 1

यान्त्रिक फाइदा एक हुन्छ

Velocity ratio is 1

गति अनुपात एक हुन्छ

Efficiency is 100%

कार्यक्षमता 100% हुन्छ

None of the above

कुनै पनि हुँदैन

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