Download free printable Physics Worksheets to practice. With thousands of questions available, you can generate as many Physics Worksheets as you want.
Download Worksheet9. The focal length of a convex mirror is 20 cm its radius of curvature will be
A) 10 cm
2.B) 20 cm
3.C) 30 cm
4.D) 40 cm
8. A person cannot see clearly an object kept at a distance beyond of 100 cm . Find the nature and the power of lens to be used for seeing clearly the object at infinity
A) concave , -1D
2.B) convex , -1D
3.C) concave , +1D
4.D) none
7. A thin convex lens of focal length 5 cm is used as a simple microscope by a person with normal near point located 25cm away . what is the magnifying power of the microscope
A) MP= 5
2.B) MP=4
3.C) MP= 6
4.D) MP=7
6. A thin prism of 5º angle gives a deviation of 3.2º. Find the refractive index of the material
A) 1.64
2.B)1.65
3.C)1.56
4.D)1.60
5. A beam of light converges towards a point O, behind a convex mirror of focal length 20 cm . Find the position of the image if the point O is at 10 cm behind the mirror
A) +20
2.B)- 15
3.C) +15
4.D) -20
4. A needle placed 45 cm away from a lens forms an image on a screen placed 90 cm away on the other side of the lens . determine its focal length
A) 30 m
2.B) 0.30 cm
3.C) 30 cm
4.D) 20 cm
3. In a certain spectrum produced by a glass prism of dispersive power 0.031 , it was found that μr=1.645 and μv=1.665 . What is the refractive index for yellow colour?
A) 0.645
2.B) 1.645
3.C) 1.456
4.D) 1.546
Battery is the source of?
Energy
2.Charge
3.Current
4.Voltage
Speed of sound is max in
Winter
2.Summer
3.Both have same speed
4.Data insufficient
what is the x-component of reaction and y-component of reaction for force F1
F1cos25& F1sine 25
2.F1sin25 & F1cos 25
3.F1cos50& F2sine 50
4.zero
Worksheets by UrbanPro
A little About Us
Our worksheets are designed to help students explore various topics, practice skills and enrich their subject knowledge, to improve their academic performance. Designed by Experts who have extensive experience and expertise in teaching a subject, these worksheets will improve your child's problem-solving skills and subject knowledge in a fun and interactive manner.
Check out our free customized worksheets across school boards, grades, subjects and levels of subject knowledge. You can download, print and share these worksheets with anyone, anywhere, anytime!
Worksheet
