500 prompts matching "Acoustics in a Nigerian church or mosque hall"
Practice set: The pinhole camera and the image it forms
Act as my SS1 Physics tutor. Give me five practice questions on the pinhole camera and the
Let me explain: The characteristics of an image formed in a plane mirror
I have just studied the characteristics of an image formed in a plane mirror in my SS1 Phy
Worked example: Finding the number of images formed by two inclined mirrors
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Spot my mistake: Drawing the reflected ray on the wrong side of the normal
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Worked example: Finding refractive index from a pair of measured angles
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Exam prep: The critical angle and the condition for total internal reflection
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Let me explain: Constructing a ray diagram for a converging lens
I have just studied constructing a ray diagram for a converging lens in my SS1 Physics cla
Worked example: Applying the lens formula to find the image position
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Exam prep: The image formed at each object position for a converging lens
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Spot my mistake: Mixing up the sign convention for a diverging lens
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Worked example: Applying Ohm's law to find an unknown quantity
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Exam prep: Resistors connected in series and in parallel
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Spot my mistake: Treating a non-ohmic conductor as though it obeyed Ohm's law
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Worked example: Finding the spring constant from a graph
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Exam prep: The work done in stretching a spring
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Worked example: Finding an unknown force on a balanced beam
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Exam prep: Problems with several forces acting on a uniform beam
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Worked example: Explaining the leaf movement in an electroscope experiment
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Exam prep: Lightning, and how a lightning conductor protects a building
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Spot my mistake: Thinking a lightning conductor attracts lightning to a house
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