Definition and Experiences of Bhava-bhakti

Questions:
If a karmi sees a picture of Radha Krsna and feels an emotion of joy, admiration, and appreciation of the picture, can this be called bhava-bhakti?
If a kanistha devotee who has faith in the supreme position of Krsna feels an emotion of joy love and appreciation when seeing the deities, can this be called bhava-bhakti?
Basically how can we define bhava-bhakti and can you experience it even when you have a mundane material consciousness?
More importantly how can a devotee transform his bhava-bhakti to suddha-bhakti?

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