Free Printable 9-sinf 2-mavzu

1.

quydagi qonuniyatlarning qaysi biri prujinali mayatnik uchun o'rinli

a)

$\nu=2\pi\frac{\sqrt[]{l}}{\sqrt[]{g}}$

b)

$T=2\pi\frac{\sqrt[]{l}}{\sqrt[]{g}}$

c)

$\nu=2\pi\frac{\sqrt[]{m}}{\sqrt[]{k}}$

d)

$T=2\pi\frac{\sqrt[]{m}}{\sqrt[]{k}}$

2.

quydagi qonuniyatlarning qaysi biri matematik mayatnik uchun o'rinli

a)

$\nu=2\pi\frac{\sqrt[]{l}}{\sqrt[]{g}}$

b)

$T=2\pi\frac{\sqrt[]{l}}{\sqrt[]{g}}$

c)

$\nu=2\pi\frac{\sqrt[]{m}}{\sqrt[]{k}}$

d)

$T=2\pi\frac{\sqrt[]{m}}{\sqrt[]{k}}$

3.

matematik mayatnik tebranish qonuniyati quydagicha bo'lasa tebranish chastotasini toping

a)

2.28

b)

0.437

c)

0.25

d)

4

4.

matematik mayatnik tebranish qonuniyati quydagicha bo'lasa tebranish davrini toping

a)

4

b)

0.254

c)

2.28

d)

2.54

5.

prujinali mayatnik massasi 2 marta ortib bikirligi 8 mata kamaysa tebranish sikli chastotasi qanday o'zgaradi

a)

4 marta ortadi

b)

4 marta kamayadi

c)

2 marta ortad

d)

2 marta kamayadi

6.

prujinali mayatnik massasi 2 marta ortib bikirligi 8 mata ortsa tebranish sikli chastotasi qanday o'zgaradi

a)

4 marta ortadi

b)

4 marta kamayadi

c)

2 marta ortad

d)

2 marta kamayadi

7.

quyidagi grafikdan foydalanib tebranayotgan jismning siklik chastotasini toping

a)

$0.875\pi$

b)

$0.857\pi$

c)

$0.825\pi$

d)

$0.865\pi$

8.

mayatnik 10 s da 5 marta tebrangan bo'lsa mayatnikning tebranish siklik chastotasini toping

a)

$2\pi$

b)

$0.5\pi$

c)

$\pi$

d)

$4\pi$

9.

prujinali mayatnik massasini ozgartirmasdan prujinani bir buklab ilsak uning tebranish davri qanday o'zgaradi

a)

o'zgarmaydi

b)

2 marta kamayadi

c)

2 marta ortadi

d)

4 marta ortadi

10.

prujinali mayatnik yerdan oyga olib chiqilsa tebranish davri qanday o'zgaradi

a)

o'zgarmaydi

b)

tebranmay qoladi

c)

ortib ketadi

d)

kamayib ketadi

9-sinf 2-mavzu

Total questions: 10

Worksheet time: 10mins

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