[PHY] MC 全對答案 [信我]
唔係我全對...==我錯6條
( )內是另一可能答案,但沒( )的答案可能性較高 ,% 是指沒( ) 答案的可能性
B
C 95% (D) <---大家討論得好激烈,佢問既係"accident due to inertia"所以一唔係,1 係reduce sudden change in momentum
B
D
C
A
C
C
A
D
D
A
B
C
A
B
A
C 90% (D)
D 80% (B)<---查過 polished 解"擦亮的",係咁就一定係D,因為你同佢"擦"個野無可能完全平滑.In gernal ,if the dimensions of the surface irregularities are greater than the wavelength of the light,the reflection is diffuse
A
B
B
D
A
D
C
D
A
B
D
B
D
A
D
B
B
C
D 97% (B)
C
A
A
C
D
C
A B D 都有可能.. B 既可能性高的
