Questions by Upendra Chaudhari

Questions by Upendra Chaudhari

What is the value of x? Enter your answer in the box

asked Dec 2, 2020

2 answers

3 votes

176k views

Light from a helium-neon laser (wavelength 633 nm) passes through a 0.5 mm diameter hole. How far away should a viewing screen be placed to observe a diffraction pattern whose central maximum is 3.0 mm

asked Jun 6, 2020

1 answer

3 votes

154k views

In geography, “scale” refers to __________. a. the depth of inquiry or the amount of details b. an instrument used to weigh things c. how someone perceives or understands something d. the way that someone

asked May 13, 2020

1 answer

4 votes

102k views

Which of the following best describes how the idea of Manifest Destiny affected demographic changes in the United States during the 19th century? O A. It resulted in large numbers of white Americans relocating

asked Apr 21, 2020

2 answers

1 vote

60.9k views

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014Hz. If the mass of an electron is 9.10 x 10-31 kg, calculate in

asked Mar 22, 2020

1 answer

5 votes

116k views

In a free enterprise system, what are the goals of government? Check all that apply. 1.to ensure safety for its citizens 2.to ensure that citizens' needs are met 3.to stay out of all economic decisions

asked Mar 5, 2019

2 answers

5 votes

122k views

Here are 15,000 students at college x. of those students, 1,700 are taking both ethics and metaphysics this semester. there are 2,200 total students taking ethics. 9,500 students are taking neither of

asked Jan 23, 2019

1 answer

0 votes

98.5k views

What is the best answer

asked May 21, 2018

2 answers

4 votes

203k views

Round 765.2 to nearest ten

asked Apr 2, 2018

2 answers

2 votes

13.2k views

The kids gave Jackson a game for his computer

asked Jan 18, 2018

2 answers

2 votes

226k views

Three consecutive odd numbers have a sum of 45. What is the greatest number?

asked Aug 4, 2017

1 answer

5 votes

112k views

Moral tales are a reflection of

asked May 5, 2017

1 answer

2 votes

97.5k views

What do the major types of molecules that make up living things have in common?

asked Nov 19, 2016

1 answer

3 votes

160k views

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