The Digital Scholar

  PRACTICAL 6 Investigate the relationship between force of limiting friction and normal reaction to find the co-efficient of sliding friction between a wooden block and horizontal surface. VIVA VOCE 1. What is the objective of investigating the relationship between the force of limiting friction and the normal reaction?    - The objective is to determine the coefficient of sliding friction between a wooden block and a horizontal surface. 2. How do you set up the experiment to investigate this relationship?    - Place the wooden block on a horizontal surface and gradually increase the applied force until the block just starts to slide. Measure the normal reaction force and the applied force at this point. 3. What is the normal reaction force, and how is it related to the weight of the wooden block?    - The normal reaction force is the force exerted by the surface perpendicular to the contact surface. It is equal in magnitude and opposite in direction to the weight of the wooden block.

  PRACTICAL 5 To find the value of “g” by free fall method VIVA VOCE 1. What is the purpose of the free fall method in finding the value of "g"?    - The purpose is to experimentally determine the acceleration due to gravity, denoted by "g." 2. How do you set up the experiment for the free fall method?    - Drop a small object from a known height and measure the time it takes to fall using a stopwatch. 3. What precautions should be taken during the experiment to ensure accurate results?    - Ensure the experiment is conducted in a vacuum or an environment with minimal air resistance, use a precise stopwatch, and repeat the experiment multiple times to reduce errors. 4. How do you measure the height from which the object is dropped?    - Measure the height using a meter stick, ruler, or another measuring device with precision. 5. What is the equation used to calculate the acceleration due to gravity (g) using the free fall method?    - \( g = \frac{{2h}}{{t^2}} \),

  PRACTICAL 4 To find the acceleration of a ball rolling down an angle iron by drawing a graph between 2S and T2 VIVA VOCE 1. How do you set up the experiment to find the acceleration of a ball rolling down an angle iron? Ans: Place the angle iron on a smooth surface, ensuring it is securely fixed. Release the ball from the top of the angle iron and measure the time it takes to travel a known distance. 2. What is the purpose of drawing a graph between \( 2S \) and \( T^2 \)? Ans: The purpose is to determine the acceleration of the ball by analyzing the relationship between the square of the time taken (\( T^2 \)) and twice the distance traveled (\( 2S \)). 3. How do you measure the distance traveled by the ball (S)? Ans: Measure the horizontal distance covered by the ball from its starting point to its final position. 4. How do you measure the time taken by the ball (T)? Ans: Use a stopwatch or a similar device to measure the time it takes for the ball to travel the known distance alon

  PRACTICAL #3 To measure the thickness of a metal strip or a wire by using a screw gauge VIVA VOCE 1. How would you ensure the screw gauge is properly calibrated before beginning the measurements? Ans:  Calibrate the screw gauge by ensuring the zero mark aligns accurately with the reference point when no object is being measured. 2. What factors should be considered when selecting the appropriate screw gauge for measuring the thickness of a metal strip or wire? Ans: Choose a screw gauge with an appropriate range that can accommodate the thickness of the metal strip or wire. Consider the pitch and resolution of the screw gauge as well. 3. Can you describe the procedure for measuring the thickness of a metal strip or wire using a screw gauge? The procedure involves gently placing the metal strip or wire between the anvils of the screw gauge, carefully rotating the thimble until it makes light contact with the object, and then reading the measurement from the scale and thimble. 4. What p

  PRACTICAL 2: To measure the area of cross section by measuring diameter of a solid cylinder with Vernier Calipers. VIVA VOCE 1. How would you ensure that the solid cylinder is placed correctly between the jaws of the vernier calipers for accurate measurement? Ans: Ensuring the cylinder is perpendicular to the jaws and gently placing it between them ensures accurate placement. 2. What precautions should be taken to minimize errors while measuring the diameter of the cylinder with vernier calipers? Ans: Precautions include avoiding parallax error, ensuring proper alignment, and using a steady hand during measurement. 3. Can you explain how the vernier scale aids in obtaining more precise measurements compared to the main scale? Ans. The vernier scale provides finer divisions than the main scale, allowing for more precise readings. 4. Describe the procedure for reading the measurement of the diameter on the vernier calipers. Ans. To read the measurement, align the zero mark of the vern

  PRACTICAL 1:  To measure the area of cross section by measuring diameter of a solid cylinder with vernier callipers VIVA VOCE: 1. Can you describe the step-by-step procedure for measuring the diameter of a solid cylinder using vernier calipers? Ans: The procedure involves gently placing the cylinder between the jaws of the vernier calipers, ensuring it's perpendicular to the jaws, and then closing the jaws until they grip the cylinder snugly. The diameter can be read directly from the main scale and the vernier scale. 2. Why is it important to ensure that the cylinder is placed perpendicular to the jaws of the vernier calipers during measurement? Ans:  Placing the cylinder perpendicular ensures that the diameter measurement is accurate and consistent. 3. How do you minimize parallax error while taking the reading on the vernier scale? Ans:  To minimize parallax error, align your eye perpendicular to the vernier scale and ensure that the scale is positioned parallel to your line o

  JOSH ALLEN BIOGRAPHY Josh Allen is a professional American football quarterback who currently plays for the Buffalo Bills in the National Football League (NFL). Here's a brief biography of him: Early Life: Joshua Patrick Allen was born on May 21, 1996, in Firebaugh, California. He grew up on a farm in Central California and attended Firebaugh High School, where he played football and basketball. Despite being a talented athlete, he was lightly recruited out of high school and received only one scholarship offer to play college football. College Career Allen attended Reedley College, a junior college in Reedley, California, where he played for one season before transferring to the University of Wyoming. At Wyoming, Allen quickly gained attention for his strong arm and athleticism. He became the starting quarterback for the Cowboys and led the team to a bowl game victory in the 2016 season. Allen decided to forgo his senior year at Wyoming and declared for the NFL Draft in 2018. Pr