Question

有一臺顯微鏡目鏡標示10X，物鏡標示45X，則它的放大倍數(shù)是（　�。�

A．10倍

B．45倍

C．55倍

D．450倍

Answer 1

分析：顯微鏡成像的特點是倒立放大的像．放大倍數(shù)=目鏡倍數(shù)×物鏡倍數(shù)

解答：解：顯微鏡的放大倍數(shù)=目鏡倍數(shù)×物鏡倍數(shù)═10×45═450（倍）．
故選：D

點評：解答的關鍵是理解顯微鏡的放大倍數(shù)=目鏡倍數(shù)×物鏡倍數(shù)．