An Object Is Placed at a Distance of 50 Cm

question 31

Multiple Choice

An object is placed at a distance of 50 cm from a thin lens along the axis.If a real image forms at a distance of 40 cm from the lens,on the opposite side from the object,what is the focal length of the lens?

• A)22 cm
• B)45 cm
• C)90 cm
• D)200 cm

Recognize Freud's psychoanalytic theory regarding dreams, including the concept of manifest and latent contents.

Comprehend the physiological and psychological effects of REM and non-REM sleep.

Identify factors that can affect sleep patterns, such as environmental influences and lifestyle habits.

Learn about the role and influence of biological rhythms, such as circadian rhythms, on sleep.

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Definitions:

Put Option

A financial contract giving the holder the right, but not the obligation, to sell a specified amount of an underlying asset at a set price within a specified time.

Market Price

The present cost at which a product or service is available for purchase or sale in the market.

Strike Price

This is the agreed-upon price within an option contract at which the underlying asset can be bought or sold before the option expires.

Put Option

A financial derivative contract giving the holder the right but not the obligation to sell a specified amount of an underlying asset at a set price before the contract expiration.