A Drawing Is Placed 40 Cm in Front of a Thin

question 69

Multiple Choice

A drawing is placed 40 cm in front of a thin lens.If a virtual image forms at a distance of 50 cm from the lens,on the same side as the drawing,what is the focal length of the lens?

• A)-45 cm
• B)75 cm
• C)90 cm
• D)200 cm

---

Definitions:

Exchange Rates

The price of one country's currency expressed in another country's currency, affecting international trade and economics.

Arbitrageurs

Individuals or entities that attempt to profit from price differences of the same or similar financial instruments, across different markets or in different forms.

Speculators

Investors who engage in the buying and selling of financial instruments, commodities, or other assets with the aim of making profits from short-term price fluctuations.

Risks

Pertains to the potential for losses or other adverse outcomes arising from uncertainties in decision-making or future events.