Examlex
In the figure, a slit 0.30 mm wide is illuminated by light of wavelength 426 nm. A diffraction pattern is seen on a screen 2.8 m from the slit. What is the linear distance on the screen between the first diffraction minima on either side of the central diffraction maximum?
Skimming Pricing Strategy
A pricing strategy where a high price is set for a new product to maximize profits from customers willing to pay a premium before lowering the price over time.
Xerox
Often used as a synonym for photocopying, Xerox is a company known for its printing and photocopying technology.
Portable Fax Machine
A compact, mobile device that can send and receive documents over a telephone line, useful for business communication on the go.
Selective Demand
Demand for a specific brand or product over its competitors, driven by marketing efforts and consumer preferences.
Q13: As more resistors are added in parallel
Q15: In the figure, a straight wire carries
Q18: The energy gap between the valence and
Q29: A neutral atom has an electron configuration
Q30: A diffraction grating has 450 lines per
Q34: A proton in a certain particle accelerator
Q41: A radioisotope has a half-life of τ
Q46: Thirteen resistors are connected across points A
Q57: A magnifying lens has a focal length
Q61: Today, the uranium found on Earth contains