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Higher Physics

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Law of conservation of momentum   Total momentum befor=total momentum after IN THE ABSENCE OF EXTERNAL FORCES  
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Acceleration is...   change in velocity per unit time  
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Elastic collision   Momentum and kinetic E are stored  
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Inelastic collision   Momentum is conserved kinetic E is lost  
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Impulse=   area under F/t graph = change in momentum  
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1cm^3=   1x10^-6m^3  
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1cm^2=   1x10^-4m^-2  
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1 Volt=   1J/C  
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Lost volts=   Ir = E-V  
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I short circuit=   E/r  
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I stays the same for...   all frequencies for a resistor  
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In an ideal op-amp...   input I 0 (infinite input R) no V between invertiing and non-inverting inputs (both input pins at same V)  
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Op-amps saturate when...   V > 85% of supply V  
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In the photoelectric effect, discharge only occurs if...   Zinc metal plate, UV light, AND -ve charge  
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E1=   work function  
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f0=   threshold f  
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D=   absorbed dose  
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H=   equivalent dose  
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A capacitor can block...   d.c.  
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When the distance between slits in a grating increases...   distance between maxima on screen decreases  
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Intensity=   Js^-1m^-2  
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n-type and p-typ are...   electrically neutral  
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In fission______ are released.   neutrons  
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In a capacitor circuit, if f increases...   I increases  
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If critical angle is smaller than angle of incidence...   total internal reflection  
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Newton's 3rd law   Equal and opposite force  
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To increase the distance between fringes on a screen...   use light of lower f  
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MOSFET consists of...   Drain, gate, source  
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In amplifiers, the bottom line=   0V  
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Public's annual effective dose   2msV  
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