- Inertia
- Motion
- Static
- None of these
- B
-
Its third law of motion.
Isaac Newton presented three laws of motion.
Isaac Newton presented his laws of motion in 1686.
Physics MCQs
All Physics Solved MCQs are included in this section of ETEST Academy’s Website. All Solved Physics MCQs will also provide you detailed information.
کسی جسم میں حرکت کی وجہ سے کونسی انرجی پیدا ہوتی ہے ؟
- کائی نیٹک
- پوٹینشل
- دونوں
- ان میں سے کوئی نہیں
- A
-
کائی نیٹک انرجی کو اردو میں حرکی توانائی بھی کہتے ہیں۔
انرجی دو حالتوں میں پائی جاتی ہے ، ایک کائی نیٹک انرجی ہے اور دوسری حالت پوٹینشل انرجی ہے۔
کسی جسم میں پوزیشن کیوجہ سے پوٹینشیل انرجی پیدا ہوتی ہے۔
What is maximum frequency of Ultrasound?
- 20 MHz
- 15 MHz
- 10 MHz
- 05 MHz
- A
-
Ultrasound frequencies are adjusted between 2 MHz to 20 MHz.
MHz stands for Mega Hertz.
Ultrasound is an imaging test that uses sound waves to make pictures of different organs and tissues.
Ultrasound is also called Ultrasonography.
Ultrasound images are called Sonograms.
Which of the following can be used to measure height above the sea level?
- SLM
- Thermometer
- Altimeter
- Aneroid Barometer
- C
-
Altimeter was invented by a French Physicist Louis Paul.
Air pressure decreases with:
- Decrease in height
- Increase in height
- Vapor Pressure
- Increase in temperature
- B
During reading the scale, if eye is not placed directly opposite to the scale then the measurement will be incorrect. This is called:
- Parallax Error
- Zero Error
- Mencius Error
- Inaccuracy
- A
-
An instrument error is called Zero Error.
Which of the following is the unit of pressure?
- Millimeter
- Vigor
- Pascal
- Newton
- C
-
Millimeter is a unit of length.
Newton is unit of force.
Vernier Calipers can be used to make internal and external measurement with an accuracy of:
- 0.1 mm
- 0.2 mm
- 0.3 mm
- 0.4 mm
- A
-
Vernier Calipers can measure with acuraty of 1/10 mm or 0.1 mm or 0.01 cm.
Vernier Calipers is used to measure two opposite sides.
It is used to measure distance between two objects or height also.
Vernier Calipers can measure upto 100 of millimeter.
Vernier Caliper was invented by Pierre Venier.
Which of the following is a measure of the extent of the surface of an object?
- Volume
- Area
- Density
- Force
- B
A light year is distance _____
- Travelled by Earth in one year
- Of Galaxy from Earth
- Travelled by the nearest star in one year
- Travelled by light in one year
- D
-
A light year is a unit of distance.
Light travels at a velocity of 300,000 Km/sec.
One light year is equal to 9.5 X 1012 Km.