Transcript
  • 29 ( )

    29 2015

    : 10.00 - 13.00

    :1. (9) (7) .

    2. .

    3. .

    4. .

    5. .

    6. . ( ).

    7. .

    8. : = 9, 81/2 .

    1 ( 15). .

    (. 1)

    . .(. 1)

    . . . .

  • 29 ( )

    0. , . - .

    (. 5)

    . 1, 00 kg 1 2 1 = 0, 75 kg 2 = 0, 25 kg, , 1 2. - , 2 = 21. .

    1

    2

    2

    1

    i. .(. 1)

    ii. , , - .

    (. 2)iii. = 20 m/s

    = 16 m . .

    (. 5)

    2

  • 29 ( )

    2 ( 10) , . - , . . - .

    . - . - = 132.

    (. 3)

    . - -

    =

    3( + )

    (. 5)

    . / =/2.

    (. 2)

    bO

    3 ( 15) . - 2. 2 . . .

    2

    2

    /2 /2

    /2 ( )

    3

  • 29 ( )

    . .

    =4

    .

    4 ( 20). .

    (. 3)

    . - . .

    i. .

    (. 5)ii. 1062, 5 Hz

    1, 20m . : = 340 m/s.

    (. 3)

    . .

    i. , .

    (. 4)

    4

  • 29 ( )

    ii. - 106, 25 Hz, = 1, 20 m - 34, 0 m/s.

    (. 3)iii. ,

    , - .

    (. 2)

    5 ( 15).

    , .

    i .

    . =

    (. 4)ii

    .(. 1)

    . 1 2 . - . , . .

    5

  • 29 ( )

    1

    2

    - .

    i. (Laplace) .

    (. 2)ii. ,

    . .(. 4)

    iii. , , .

    (. 4)

    6 ( 10). -

    (Rutherford) :

    1 .

    2 . 3 -

    .

    - .

    (. 3)

    . - , (Bohr).

    6

  • 29 ( )

    = 1

    = 2

    = 3

    = 4 = 5

    1 = 13, 6 eV

    2 = 3, 4 eV

    3 = 1, 51 eV

    4 = 0, 85 eV5 = 0, 544 eV

    - .

    i. .

    (. 3)ii.

    . . : Planck: = 6, 61034 J/s, 1 eV = 1, 61019 J, =380 nm, = 780 nm, = 3 108 m/s.

    (. 4)

    7 ( 15) . -

    = 0, 5 kg = 0, 1 m, = 4 mm - . , - . - . , . , , = 70 cm. H . - - . . - - .

    7

  • 29 ( )

    . , - . .

    . , t, , h, . , h, R, r, t.

    (. 4)

    . , t, - , h, . .

    (m) 0,5 0,4 0,3 0,2 0,1

    (s) 5,5 5,0 4,4 3,6 2,5

    i. , h, , t, - . - .

    (. 3)ii. .

    (. 2)iii. -

    . - , = 2/2.

    (. 2)

    . . . . , . .

    (. 4)

    : - , ( ), - . - . , . .

    8

  • 29 ( )

    . 10, . - . . . 103 ( 3), 2 103, 3 103, ... ,8 103,9 103 104. - 10 9000. log 103 = 3 log 104 = 4.: - .

    9

  • 29 ( )

    1

    2

    3

    4

    5

    678910

    2

    3

    4

    5

    678910

    2

    3

    4

    5

    678910

    2

    3

    4

    5

    678910

    1 2 3 4 5 6 7 8 910 2 3 4 5 6 7 8 910 2 3 4 5 6 7 8 910

    102

    10-2

    10-1 100 101 102

    10-1

    100

    101

    (s)

    (m

    )

    10