01 Phy Quantities, Units, Measurement & Practical skills by JL Ang

Q2 Source of error

ang_joo_liak — 2020-02-07 14:58:39 UTC

Siqing: May I ask what it means by “markings on the ruler are visually large?

Shi Xu: ratio?

ang_joo_liak — 2021-06-23 14:26:25 UTC

when questions ask for ratio of something, do I write in fraction or decimal or like A:B?

Wei Xuan: average

ang_joo_liak — 2021-09-02 15:41:04 UTC

Must calculated average values always have same dp as readings? What if readings have different dp?

Wei Xuan: calculate

ang_joo_liak — 2021-09-02 15:41:55 UTC

Shouldn’t calculating follow the rules of division of raw data by having the least number of sf from readings, instead of same dp?

2022-01-10 03:56:18 UTC

how do they know theres multiverses out there

2022-01-10 03:57:00 UTC

How did they film this if the most powerful telescope can only film until the Milky Way (I think)

2022-01-10 03:57:04 UTC

why did the video only feature venice and not other places

2022-01-10 03:58:19 UTC

What's after 10 to the power of 26..?

2022-01-14 01:17:46 UTC

is there anything smaller than quarks?

what is the theory of the multiverse and what does it take to prove it's true??

2022-01-14 01:18:25 UTC

2022-01-14 01:18:35 UTC

is it possible to travel to the multiverse

2022-01-14 01:18:56 UTC

can we explore the multiverse (spiderman nwh)

is there any progress and/or inventions to be able to see the multiverse(or anywhere further than 10^26m away from earth )

2022-01-14 01:19:14 UTC

2022-01-14 01:19:19 UTC

Can we know more about the multiverse

2022-01-14 01:20:19 UTC

Are there any evidence about multi verses

301 Anthea: Practice Topic 1, Q9

ang_joo_liak — 2022-02-15 10:04:08 UTC

why (C) is the answer for Q9. Shouldn't it be Option (D) as 11/60 x 1 = 0.18333....

307 Mei Han

ang_joo_liak — 2022-02-15 10:17:38 UTC

Will these be tested?

311 Charlotte: TYS Topic 1A Q8

ang_joo_liak — 2022-02-16 07:40:03 UTC

How to estimate diameter of human hair?

307 Valerie

ang_joo_liak — 2022-02-16 09:05:30 UTC

1. for conversions, is it better to leave answer in standard form or just normal digital format?
2. what’s the difference between precision and resolution?

Zhenghong

ang_joo_liak — 2022-10-02 07:40:58 UTC

if the definitions we need to memorise exactly are only those in the learning objectives on the cover page of the notes of each chapter? Do we also need to memorise other definitions in the notes that isnt in the learning objectives?