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When are more than four x-rays taken during a mammogram?
A total of four x rays, two of each breast, are taken for a screening mammogram.
Why do Electromagnetic waves have different positions on the electromagnetic spectrum?
Electromagnetic waves have different positions on the spectrum based on their frequencies and wavelengths. Higher frequency waves, such as gamma rays and X-rays, have shorter wavelengths and more energy, while lower frequency waves, like radio waves, have longer wavelengths and less energy. This arrangement in the spectrum allows for the classification and understanding of electromagnetic radiation based on these distinct properties.
What forms a virtual and erect image for all positions of the object?
A concave mirror forms a virtual and erect image for all positions of the object when the object is placed between the focal point and the mirror. In this scenario, the reflected rays diverge, creating an upright and virtual image that appears behind the mirror.
When do the suns rays strike earth at the southernmost and northernmost positions?
The sun's rays strike the Earth at the southernmost position during the December solstice (around December 21st) and at the northernmost position during the June solstice (around June 21st). These are the days when the respective hemispheres experience their longest and shortest days of the year.
What is the order of stingrays?
Gamma rays X-rays Ultra violet rays ( purple) Visible Light rays Micro rays Infra red rays Radio rays
Which rays have more energy x rays or gammy rays?
Gamma rays.
The sun's ray strike earth at the northernmost and southern most positions during?
The sun's rays strike the Earth at the northernmost position during the June solstice and at the southernmost position during the December solstice. These positions are known as the Tropic of Cancer (northernmost) and the Tropic of Capricorn (southernmost) respectively.
What are axial rays and marginal rays?
marginal rays are those rays which are near the rim of lens and axial rays are those rays which are formed near the axis
What is x rays and gamma rays?
Cathode rays generate x-rays and gamma rays are electromagnetic radiation. Gamma rays have very high penetration power.
Are X-rays and Gamma rays higher frequencies than ultraviolet rays?
Yes, X-rays and gamma rays have higher frequencies than ultraviolet rays.
Do both x rays and gamma rays have higher frequencies than ultraviolet rays?
Both Gamma Rays and X Rays have a much high frequency that Ultraviolet Rays.
What are the 4 radioactive rays produced?
You think probable to beta rays, gamma rays, alpha rays.
