ZIMSEC A Level Physics Paper 1 Past Papers

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Kinematics and Dynamics Waves and Interference Current Electricity Nuclear Physics and Radioactivity Work, Energy and Power Units and Measurement Moments and Equilibriumgravitationkinetic theoryelectromagnetic induction

Explained questions

The base unit for gravitational field strength is
A body travelled in a straight line as shown in the velocity(v) - time(t) graph. Which distance(s)-time(t) graph correctly represents the motion of the body?
A missile is launched at an acute angle to the horizontal. Half-way through its trajectory, it explodes into several fragments due to entirely internal forces. Assuming free fall throughout, which statement is true?
The diagram shows a potential divider which is used to give outputs of 3V and 6V from a 15V source. What are the correct values of resistors?
Two identical cells are connected to a resistor R and an ammeter in two ways as shown in the diagrams. The current flowing through the ammeter in both circuits are equal. What is the internal resistance of each cell?
An alternating current with the wave form and magnitude shown in the diagram passes through a milliameter calibrated for r.m.s. readings of current. What current, in mA, will the meter record?
In the circuit shown below the internal resistance of the cell is 0.2Ω. The electromotive force of the cell is 6V. What is the voltmeter reading when the current flowing through the cell is 2A?
In a perfectly elastic collision, which statement correctly describes momentum and energy conservation?
Three equal forces F acting at a point are in equilibrium. Which diagram correctly represents these forces?
A 2.0m long uniform rod of mass 1.0kg is pivoted at point P and it is in equilibrium under the forces acting on it as shown in the diagram (a force F at 60 degrees to the rod acting 50cm from the left end, the pivot P just right of that, and a 20N weight hanging from the right end). What is the value of force F?
The diagram shows two resistors of resistance 5000Ω and 2500Ω connected in series. A potential difference of 120V is maintained across them. The potential difference across the 5000Ω resistor is measured using a voltmeter of internal resistance 5000Ω. What is the reading of the voltmeter?
The diagram shows a uniform resistance wire MN of length 100.0cm which is connected to a standard cell of e.m.f. 1.5V and of negligible internal resistance. The circuit is completed with a cell of e.m.f. E, a sensitive galvanometer and a slider P, as shown. When no current flows through the galvanometer, what is the value of E?
Which set is made of units that are not identical?
If $x$ and $y$ are related by the equation $y = \exp(-c/x)$ , where c is a constant, which graph represents a straight line?
A tennis ball is dropped from a particular height h. The motion of the ball is monitored over three bounces. Which graph shows how the velocity (V) is varying with time (t)?
The unit for $\mu_o$ , the permeability of a vacuum is kgms $^{-2}$ and that for $\varepsilon_o$ , the permittivity of a vacuum is kg $^{-1}$ m $^{-3}$ s $^4$ . If C is the speed of light in a vacuum, which of the following has units of $\mu_o \varepsilon_o$ ?
A student used base units to check an equation and found that the left hand side of the equation was equivalent to the right hand side. Which of the following statements about the equation is correct?
A student makes five measurements and the readings are represented by crosses as shown in the diagram. Which set of readings represents measurements which are precise but not accurate?
Which quantity is not a base quantity?
The base units of Planck's constant are
Which is not a base unit?
Which expression has the newton as its unit?
The relationship between $\alpha$ , p, q and t is given by $\alpha = q + pt$ where t is time in seconds. If p has units of $ms^{-1}$ what are the units of q?
The relationship between four physical quantities $x$ , $p$ , $q$ and $t$ is given by $x = p + qt$ , where $t$ is the time in seconds. If $q$ has units of $ms^{-1}$ , what are the units of $p$ ?
Which one is the correct unit for electric field strength?
Which one has the greatest in magnitude?

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