1. Qanday optik asbobda haqiqiy tasvir hosil qilish mumkin?
A)yassi oyna B)shisha plastina
C)yig‘uvchi linza D)uchburchakli prizma
2. Fokus masofasi 8 cm bo‘lgan linzaning optik kuchi qancha
bo‘ladi (D)?
A)4 B)2 C)0,8 D)12,5
3. Linzaning optik kuchi 0,5 D ga teng. Fokus masofani toping (m)?
A)2 В)1 C)0,5 D)1,5
4. Yig‘uvchi linzaning optik kuchi 20 D. Shu linzaning fokus
masofasi qancha (cm)?
A)0,2 B)20 C)5 D)10
5. Linzaning optik kuchi birligi – dioptriyani boshqa birliklar orqali
qanday ifodalash mumkin?
A)m B)m
–1
C)N
–1
D)N
6. Ikki tomonlama qavariq linzaning fokus masofasi linza sirtining
egrilik radiusiga teng bo‘lsa, linza materialining sindirish
ko‘rsatkichini toping?
A)1,3 B)1,4 C)1,45 D)1,5
7. Absolyut sindirish ko‘rsatkichi 1,61 bo‘lgan shishadan ikkala
sirtining egrilik radiusi bir xil bo‘lgan qavariq linza tayyorlandi. Bu
linzaning suvdagi (n=1,33) optik kuchi 1,6 D. Linzaning havodagi
optik kuchini toping?
A)4 B)3,49 C)3 D)3,21
