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Physics: Post your doubts here!
thankyou so much but the answer is B not D so i should be getting 4 grids c =f* lamda 330÷ 66×10^-2 500 hz = 2×10^-3 S 2 ms = which will occupy 4 boxes on the Cro THANKYOU SO MUCH I did a silly mistake of not considering half the wavelenght..- Shimmery woods
- Post #16,040
- Forum: A-Levels
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Physics: Post your doubts here!
- Shimmery woods
- Post #16,025
- Forum: A-Levels
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Physics: Post your doubts here!
help me with question 325 please....how is upthrust greater than force P ? if upthrust is greater than dowmward force wouldn't the sphere float ? i went for option B ...answer is A- Shimmery woods
- Post #15,967
- Forum: A-Levels
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Physics: Post your doubts here!
que 37 please.. im getting 0.75 which is not even in the options- Shimmery woods
- Post #15,941
- Forum: A-Levels
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Physics: Post your doubts here!
que 30 ...i could get to the part mgd/V but why do we multpily it with e ? F = E×q m×g = E ×q m×g = V÷d × q mgd/V = q ...how do i get the value of n ?- Shimmery woods
- Post #15,940
- Forum: A-Levels
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Physics: Post your doubts here!
help me with que 15 please- Shimmery woods
- Post #15,939
- Forum: A-Levels
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Physics: Post your doubts here!
Use the formula F = m/t * (v-u) applied force = rate of change of mass * change in velocity 96×9.81 = 40 × (V -0) rearrange it and you will find the answer- Shimmery woods
- Post #15,937
- Forum: A-Levels
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Physics: Post your doubts here!
please help me with que no 35- Shimmery woods
- Post #15,934
- Forum: A-Levels
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Physics: Post your doubts here!
que 3 ....last doubt of this paper :P- Shimmery woods
- Post #15,922
- Forum: A-Levels
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