Related Questions

124λ তরঙ্গদৈর্ঘ্যের এক রঙা এক্সরে একটি কার্বণ ব্লক দ্বারা বিক্ষিপ্ত হয়। 180° তে এক্সবের বিক্ষিপ্ত বিকিরণের তরঙ্গদৈর্ঘ্যের মান নির্ণয় কর।(A monochromatic X-rays of wavelength 0.124λ is scattered by a carbon block. Find the wavelength of X-rays scattered through 180°) 
A 0.0484 λ
B 0.1724 λ
C 0.0756 λ
D 0.0242 λ
E 0.0968 λ
Which of the following has a least penetrating power?
A All have same penetrating power
B Beta Particles
C Alpha particles
D Gamma rays
Which of the following radiations is the least penetrating?
A α-rays
B β-rays
C γ-rays
D X-rays
Which type of radiation has the lowest penetrating ability?
A Alpha
B Beta
C Gamma
D All of the above
For Gamma radiation, what stops its penetrating abilities?
A Lead
B Steal
C Concrete
D All of the above
Which of the following harmful rays comes out from colour TV?
A Gama ray
B Beta ray
C Cosmic ray
D Alpha ray
Which of the following best completes the sentence: Just how much cosmic rays affect cloud formation ,_____ however, ____elusive.
A be........remained
B has...remained
C have........remained.
D been.......remaining
Which one of the following cities will never get the vertical rays of the sun?
A Srinagar
B Thiruvananthapuram
C Kolkata
D Mumbai
Which of the following is not true about X-rays?
A Have low penetrating power
B Travel with the speed of light
C Can be reflected or refracted
D Can affect photographic plates
Which one of the following is not a property of the X-rays?
A They are deflected by electric fields
B They are not deflected by magnetic fields
C They have high penetration length in matter
D Their wavelength is much smaller than that of visible light

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