Identify radiation B and provide an explanation for the differing deviations observed in the paths of radiations A and C as they pass through an electric field, as depicted in figure 15.
Determine the frequency of X-rays produced in an X-ray tube with a 12000V acceleration voltage, assuming full energy conversion, using Planck's constant and the charge of an electron.
Name the components labeled A and B in the X-ray tube, explain how altering the potential across P affects X-ray intensity, and describe the cause of the high temperature in the tube during operation.
Using an appropriate ray, find the focal length (f) and radius of curvature (r) of the concave mirror that forms the image I of the object O shown in the diagram.
Explain why when a vibrating tuning fork with a frequency of 512Hz is brought close to two test tubes with water levels as shown in the image, it produces a loud sound in test tube X but not in test tube Y.
Explain the reason behind the observed deflection of the candle flame in Figure 2, where a thin wire is connected to a charge generator and positioned nearby.
Explain which spring balance will show a lower number when the block is about to start moving in the student's experiment to measure static friction with wooden blocks.
Determine speed limit violation, calculate max tire braking force during skid, and explain the impact of reduced wet road braking force on stopping distance, assuming constant initial speed.
Calculate the centripetal force, identify the string breakage point, determine the landing height, and find the horizontal distance traveled by a 100g stone in a 0.4m radius vertical circle making 2 revolutions per second.
Sketch a volume (cm3) vs temperature (°C) graph on the provided grid, marking the absolute zero temperature with 'T', and state the two assumptions in the experiment.
Explain the roles of concentrated sulfuric acid, the stirrer, and the measurements in confirming Charles's Law in the gas volume-temperature experiment.
Calculate the volume of the oil drop, the area of oil patch, the thickness of the oil molecule and lastly state any 2 observations/ assumptions made after conducting the experiment.
Calculate the air density at an altitude of 548 meters, provided that the barometric height is 70 cmHg, standard atmospheric pressure is 76 cmHg, and mercury density is 13600 kg/m^3.
Explain why the sphere in liquid B attains a higher terminal velocity compared to the sphere in liquid A, as depicted in the velocity-time graph shown in the figure.
Calculate the velocity ratio and efficiency of the inclined wooden plane, tilted at 30 degrees to the horizontal, as a 10kg object is pulled up the plane using a 60N force.
In the shown experiment, a student used a hand lens to observe pollen grains on the water's surface, leading to an observation, an explanation, and a conclusion. State them.
In a section of a pipe with varying cross-sectional areas (as shown in figure 5.0), if water is flowing at a velocity of 10m/s in section A, what will be the velocity of water in section B.
Compare and explain the distinctions between the force-extension behaviors of a steel coil spring and the wire it is made from, presented on a single graph.
Determine the effort needed to lift a 200N load with a wheel and axle machine having a 5cm axle radius (r) and a 50cm wheel radius (R), and confirm that the velocity ratio (V.R) is R/r.
Explain the oil spreading phenomenon, calculate the volume of the oil drop, find the area of the resulting patch, and mention two related assumptions in the experiment.
Using the provided figure, determine the pressure at point A, the pressure difference in the instrument reading, and the gas pressure given an atmospheric pressure of 760 mm of mercury.
Describe the outcome when air is blown simultaneously at points A and B with the same speed and duration, considering the arrangement of the two paper sheets shown in the figure.
A cork tightly sealed in a bottle becomes easier to extract when the bottle is warmed due to the principles of kinetic and thermal properties of matter.
In the provided diagram, there are identical springs supporting a 60N weight, resulting in a total extension of 6cm. Determine the spring constant for a single spring.
Explain the impact of pouring water into the hollow section of the rectangular block in stable equilibrium, and provide the reasoning behind your answer.
Find the barometer reading atop Mt. Kenya, given a 75 cmHg reading at its base, an altitude of 1088 meters, and using average air density of 1.25 kg/m3 and mercury density of 13.6 g/cm3.
For a car journey consisting of acceleration, constant velocity, and deceleration, draw a velocity-time graph for the entire trip and calculate the average speed.
Find the weight of seawater displaced, the upward water force, and cable tension for a 100kg rectangular object tethered to the seabed with specified dimensions and seawater density.
How fast is a 200g object moving in a 32cm radius circle, and what's the string tension at the highest point, with a 10.5N tension at the lowest point and 10 m/s² gravity.
Calculate the power rating and energy loss per second of an electric pump with a 70% efficiency that lifts water to a height of 15m and delivers it at a rate of 350 litres per minute.
Determine the release height 'h' of a vertically suspended metal ball swung from point A to point B, given a maximum velocity of 2.5 m/s at point B, and an acceleration due to gravity of 10 m/s2.
When a resultant force F acts on a body with mass 'm' it results in an acceleration of a1. If the same force acts on a body with mass 2m, it leads to an acceleration of a2. Express a2 in terms of a1.
Describe the expected outcome and provide a reason for the result when cold water is poured onto the flask depicted in the diagram, with a glass tube tightly sealed with a cork and dipped into a beaker of room-temperature water.
Explain the reason behind the observed behavior of a Bunsen burner flame when initially burning below a wire gauze and then eventually both below and above the gauze.
From the data presented create a graph depicting the relationship between real depth and apparent depth and subsequently calculate the gradient from the graph.
Why does a pin, placed at the bottom of a beaker filled with transparent liquid, appear closer to the surface when viewed from above than its actual depth.
In the diagram presented has a U-shaped iron core.Indicate the polarity at points X and Y. Additionally, name two practical applications for such an electromagnet
How are keepers used to store magnets, and what is their role in assisting with magnet storage, including marking the polarity of magnet B on the diagram.
An experiment with a vertically suspended spring includes recording data, plotting a graph, and making calculations for different masses, the spring constant, and a series of two springs with a 1.5kg mass.
Determine the image location, image distance, and magnification for a 10cm tall object positioned 5cm in front of a concave mirror with a 10cm focal length using a ray diagram.
Draw the field pattern and indicate force directions for a current-carrying conductor current flowing into the paper, current flowing out of the paper.
Calculate the volume of one oil drop, the final burette reading after 5000 drops with a 0.7 mm radius, find the area of a 21.0 m diameter oil patch on water, determine the oil molecule's thickness, and state one assumption.
Given a ray of light incident on a plane mirror, when the mirror is rotated clockwise by 10 degrees, what is the angle between the incident and reflected rays.
If 3 forces, one pushing to the right with 12N, one pushing down with 4N, and one pushing to the left with 15N, all acted on an object and it stayed still, what is the total force on the object.
Determine the man's weight on the moon, given that he has a mass of 70 kilograms, and the moon's gravitational field strength is 1.7 Newtons per kilogram.
In the hydraulic machine depicted with a small piston area of 2cm2 and a large piston area of 1000cm2, calculate the force required on the small piston to lift a 2000kg load.
If the water level in a burette is initially at 30cm3, and 55 drops of water, each with an average volume of 0.12cm3, fall from the burette, what will be the new water level in the burette
Determine the density of the second liquid when a density bottle registers a mass of 20.0g when empty, 70.0g when filled with water, and 55.0g when filled with the second liquid.
Explain the setup for observing Brownian motion, including the roles of the lamp, lens, microscope, smoke cell observations, and the impact of temperature changes.
Explain why, when we heat a flask with colored water and a rubber cork pushed into a glass tube, the water level initially drops before it starts to rise.
