AS Physics 9702 Reference Units 1–11 Practice Flashcards

A comprehensive set of fill-in-the-blank flashcards covering formulae, constants, and key concepts from Units 1 to 11 of the AS Physics 9702 syllabus.

In physical measurements, when adding or subtracting two quantities, the __________ always add together.

absolute uncertainties

For a variable raised to a power ($z = x^n$), the fractional uncertainty is calculated as $\frac{\Delta z}{z} =$ __________.

$$|n| \cdot \frac{\Delta x}{x}$$

The SUVAT equation used to calculate displacement ($s$) when final velocity ($v$) is unknown is __________.

$$s = ut + \frac{1}{2}at^2$$

The gradient of a velocity–time ($v$–$t$) graph represents the __________ of the object.

acceleration

Newton’s Second Law in its general form, representing the rate of change of momentum, is given by the formula __________ .

$$F = \frac{\Delta p}{\Delta t}$$

In a one-dimensional elastic collision, the relative speed of approach is equal to the __________.

relative speed of separation

The moment of a force is defined as $M = F \times d_{\perp}$, where $d_{\perp}$ is the __________ from the pivot to the line of force.

perpendicular distance

The hydrostatic pressure exerted by a fluid is given by the formula __________ , which is listed on the AS data sheet.

$$\Delta p = \rho g\Delta h$$

The area under a force–extension ($F$–$x$) graph represents the work done on the spring, which is equal to the __________.

elastic potential energy

The Young modulus ($E$) is defined as the ratio of __________ to __________.

stress; strain

According to Malus's Law, the transmitted intensity ($I$) of plane-polarised light through a filter is given by $\text{I} =$ __________.

$$I_0 \cos^2(\theta)$满足

The Doppler effect formula for an observer and a moving source of sound is __________.

$$f_o = f_s \cdot \frac{v}{v \pm v_s}$$

The formula used to calculate the fringe separation in a two-slit interference pattern is __________.

$$\lambda = \frac{ax}{D}$$

Kirchhoff’s First Law states that the sum of currents entering a junction equals the sum of currents leaving, which is a consequence of the conservation of __________.

charge

The drift velocity ($v$) of charge carriers in a conductor is related to the current ($I$) by the formula __________.

$$I = Anvq$$

In a potential divider circuit, the output voltage ($V_{out}$) across resistor $R_2$ is calculated as $\text{V}_{out} =$ __________.

$$V_{in} \cdot \frac{R_2}{R_1 + R_2}$$

During $\beta^-$ decay, the change occurring at the quark level is __________.

$$d \rightarrow u + e^- + \bar{\nu}_e$$

A proton has a nucleon composition of __________, while a neutron consists of __________.

$uud$; $udd$

The elementary charge ($e$), as provided on the data sheet, has a value of __________.

$$1.60 \times 10^{-19}\,C$$

The power ($P$) of a moving object driven by a constant force ($F$) at a velocity ($v$) is given by the derivation __________.

$$P = Fv$$