Question

answere me fast as you can plz........​

Answer 1

Answer:

the work function of sodium metal is 1.82 EV find the minimum frequency of radiation required to EMIT the photoelectrons

Answer 2

Answer:

15. Raw Data.

16. 7/15

Step-by-step explanation:

15. Data obtained in original (or) raw from is known as raw data.

16. Given that:

     No. of times the coin is tossed = Total no. of events = 300

     No. of heads = No.of favorable events = 140

     We know that probability of an event = $P(E) = \frac{No.of favorable events}{Total no. of events}$

                                                    ∴ P(E) = $\frac{140}{300} = \frac{7}{15}$

      Hope this helps you.

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