Related Questions

How many flowers are there if all of them are roses except two, all of them are tulips except two and all of them are daisies except two?
A 3
B 6
C 9
D 10
How many flowers are there if all of them are roses except two , all of them are tulips except two and all of them are daisies except two?
A 3
B 6
C 9
D 10
All of the followings are electro -magnetic waves EXCEPT:
A Radio waves
B Microwaves
C X-rays
D None of these
দুটি সুসঙ্গত উৎস থেকে λ দৈর্ঘ্যের দুটি তরঙ্গ সমদশায় বের হয় । একটি বিন্দুতে যেখানে তরঙ্গ দুটি মিলিত হয় সেখানে তাদের দশা পার্থক্য 90° । তরঙ্গ দুটির অতিক্রান্ত পথ পার্থক্য তখন কত ? ( Two coherent sources emit waves of wavelength λ which are in phase. which are in phase. The two waves meet at a point where they have a phase difference of 90°. Which of the following could be the traversed path difference between the waves?)
A 2λ
B λ
C λ/2
D λ/4
To increase growth, government should most likely to do all of the followings except:
A Encourage savings and investment
B Nationalize major industries
C Encourage research and development
D Promote free trade
All of followings are the type of utility EXCEPT:
A Form utility
B Time utility
C Place utility
D Value utility
Microeconomics focuses on all of the followings EXCEPT:
A Effects of increasing money supply on inflation
B Buying behavior of an individual customer.
C Labor recruitment decisions made by a business
D Reasons for an increase in the price of orange juice.
The majority of electromagnetic waves emitted by the human body--
A are above 760 millimicrons in length
B vary between 380 and 760 millimicrons in length
C translate into thermographic techniques
D are below 3890 millimicrons in length
Which one of the following is not a property of electromagnetic waves?
A Electromagnetic waves do not show interference and diffraction.
B Oscillating electric field and magnetic field are perpendicular to each other.
C Electromagnetic waves are transverse waves
D Electromagnetic waves do not require a medium to propagate.
Coherence of two electromagnetic waves takes place if their phase difference is:
A Constant in time
B Constant in space
C Constant in time and space
D None of these

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