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Virat

Asked: October 2, 2025In: Class 10 Science

Study the ray diagram of an object placed in front of a lens. (i) Write three characteristics of the image formed? (ii) In which position of the object will the magnification be – 1?

From the ray diagram, the image formed is real, inverted, and diminished because the object is placed beyond 2F₁ of a convex lens. class 10 science board exam paper 2026 sample paper for class 10 science board exam 2026

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Virat

Asked: October 2, 2025In: Class 10 Science

Assertion (A): Magnetic field never intersects each other. Reason (R): If two magnetic field lines intersect, it would imply two different directions of the magnetic field at that point.

The correct answer is option (A). Magnetic field lines never intersect, as stated in the assertion. The reason is correct because intersection would imply two field directions at a single point, which is impossible. Thus, both A and R are ...

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Virat

Asked: October 2, 2025In: Class 10 Science

Renuka was studying a diagram related to a defect of vision and noted down possible causes for it. She wrote the following statements in her notebook. I. The focal length of the eye lens is too long. II. The eye ball becomes too small. III. The focal length of the eye lens is too short. IV. The eye ball becomes too long. Based on the given diagram, choose to the correct option that lists the correct causes of this defect.

The correct answer is option (d) III and IV. Myopia occurs when the focal length of the eye lens is too short or the eyeball is elongated, causing the image to form in front of the retina. class 10 science half ...

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Virat

Asked: October 2, 2025In: Class 10 Science

An optical device ‘X’ is placed obliquely in the path of a narrow parallel beam of light. If the emergent beam gets displaced laterally, the device ‘X’ is:

The correct answer is option (c) glass slab. When a parallel beam of light passes through a glass slab, it emerges parallel but laterally displaced. Unlike mirrors, lenses, or prisms, only a glass slab produces this unique lateral displacement effect. latest ...

Virat

Asked: October 2, 2025In: Class 10 Science

The electronic configuration of elements X (2, 4) and Y (2, 8, 1) is given. Based on the information given above, answer the following questions: (a) Which type of bond is formed between X and Y? Explain with reason. (b) How many valence electrons take part in the bond formation between X and Y? Explain. (c) Give the chemical formula of the compound. (d) State one physical property of this compound based on the type of bonding. (e) Write the chemical equation for the reaction of Y with ethanoic acid.

The bond formed between X and Y is a covalent bond, because element X (carbon) shares its valence electrons with element Y (hydrogen – like or sodium) to achieve a stable configuration. Download cbse sample paper for class 10 science class 10 ...

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Virat

Study the ray diagram of an object placed in front of a lens. (i) Write three characteristics of the image formed? (ii) In which position of the object will the magnification be – 1?

Assertion (A): Magnetic field never intersects each other. Reason (R): If two magnetic field lines intersect, it would imply two different directions of the magnetic field at that point.

An optical device ‘X’ is placed obliquely in the path of a narrow parallel beam of light. If the emergent beam gets displaced laterally, the device ‘X’ is:

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