When a Light Beam Emerges from Water into Air,the Average

question 61

Multiple Choice

When a light beam emerges from water into air,the average light speed

• A)increases.
• B)decreases.
• C)remains the same.

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Definitions:

Progestin

A synthetic form of progesterone used in contraceptives and hormone therapy.

Vasectomy

A permanent method of birth control in which each vas deferens is severed or blocked off, thereby preventing sperm from entering the vas deferens and mixing with seminal fluids to form semen.

Prostate Gland

A muscular gland encircling the urethra that produces about one third of the seminal fluid.

Fem Cap

A brand of cervical caps, which are barrier methods of contraception worn inside the vagina to cover the cervix.