![WHAT IS PHYSICS? ,[object Object],[object Object]](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-2-2048.jpg?cb=1666078964)
![HAVE YOU EVER WONDER? ,[object Object],How your image can be formed on mirror?](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-3-2048.jpg?cb=1666078964)
![Physical quantity ,[object Object],[object Object],Base quantity Derived quantity ,[object Object],[object Object]](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-6-2048.jpg?cb=1666078964)
![Prefixes ,[object Object],Prefix Symbol Multiplication factor Value Tera T × 10 12 1 000 000 000 000 Giga G × 10 9 1 000 000 000 Mega M × 10 6 1 000 000 Kilo k × 10 3 1000 Deci d × 10 -1 0.1 Centi c × 10 -2 0.01 Milli m × 10 -3 0.001 Micro × 10 -6 0.000001 Nano n × 10 -9 0.000000001 Pico p × 10 -12 0.000000000001](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-8-2048.jpg?cb=1666078964)
![Scientific notation/ Standard form ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-9-2048.jpg?cb=1666078964)
![Conversion unit ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-10-2048.jpg?cb=1666078964)
![1.3.1 Measure physical quantity using appropriate instruments. ,[object Object],b) Thermometer c) Stopwatch Function Sensitivity Measure length from a few cm up to 1m 0.1 cm Function Sensitivity Measure temperature. 1 o C / 2 o C Function Sensitivity Measure time intervals. 0.1 s to 0.2 s](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-12-2048.jpg?cb=1666078964)
![[object Object],e) Voltmeter f) Measuring tape Function Sensitivity Measure electric current. 0.1 A / 0.2 A Function Sensitivity Measure potential difference / voltage. 0.1 V / 0.2 V Function Sensitivity Measure long distance, circumference of round object. 1.0 cm](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-13-2048.jpg?cb=1666078964)
![[object Object],Function Sensitivity Measure length, diameter inner and outer and depth object with dimension up to 12.0 cm . 0.01 cm](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-14-2048.jpg?cb=1666078964)
![How to take reading of vernier callipers? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-16-2048.jpg?cb=1666078964)
![[object Object],[object Object],[object Object],Main scale Vernier scale](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-17-2048.jpg?cb=1666078964)
![[object Object],[object Object],[object Object],[object Object],[object Object],How to take reading of micrometer screw gauge? Reading = Main scale + Thimble scale = 5.5 + 0.28 = 5.78 mm](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-20-2048.jpg?cb=1666078964)
![[object Object],[object Object],[object Object],1.3.2 Explain Sensitivity Sensitivity of an instruments is its ability to detect small change in the quantity to be measured.](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-21-2048.jpg?cb=1666078964)
![ACCURACY CONSISTENCY ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-24-2048.jpg?cb=1666078964)
![[object Object],[object Object],[object Object],[object Object]](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-25-2048.jpg?cb=1666078964)
![1.3.3 Explain Types of Experimental Error SYSTEMATIC ERROR RANDOM ERROR ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],How to reduce systematic error: Correct reading = reading obtained - zero error ,[object Object],[object Object]](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-26-2048.jpg?cb=1666078964)
![How to eliminate zero error? ,[object Object],Negative zero error Zero error= -0.04 mm Positive zero error Zero error= 0.02 mm](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-29-2048.jpg?cb=1666078964)
![[object Object],No zero error Negative zero error Positive zero error zero error = 0.04 cm zero error = -0.02 cm](https://image.slidesharecdn.com/introductiontophysics-120113212626-phpapp01/75/introduction-to-physics-30-2048.jpg?cb=1666078964)
Introduction to physics
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Introduction to physics
- 5. Forces and pressure Electric and Electronic Wave Electromagnetism
- 7. Base quantity Derived quantity Base Quantity SI units Length, l metres, m Mass, m kilogram, kg Time, t second, s Temperature, T Kelvin, k Electrical current, I Ampere, A Derived Quantity Units Volume, V m 3 Density, kgm -3 Velocity, v ms -1 Force, F N Acceleration, a ms -2
- 15. Function Main scale Scale of 0.1 cm to 12 cm Inside jaws Measure internal diameter Outside jaws Measure external diameter and length Tail Measure depth
- 18. h) Micrometer Screw Gauge Function Sensitivity Measure thickness or diameter of small object in range between 0.10 mm and 25.00 mm . 0.01 mm or 0.001 cm
- 19. Function Anvil and spindle Used to grip object. Sleeve Main scale Thimble Thimble scale Ratchet knob Used to prevent exceeding pressure
- 22. Which one is more sensitive?
- 23. 1.3.2 Explain Accuracy and Consistency Accurate Inaccurate ACCURACY CONSISTENCY Is how close the value of the measurement to the actual value. Ability to register the same reading. Consistence Inconsistence
- 27. Zero error
- 28. Parallax error